ALFA UK LTD BUTTWELD FITTINGS & FLANGES.

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1 BUTTWELD FITTINGS &

2 ALFA UK LTD. ALFA-UK is established early 00 and is a professional supplier of all kds of Pipe Fittgs and Flanges. With constant technological upgradation and to the fullest customer satisfaction, the company is undoubtedly the brand leader fittgs and Flanges the oilfield and Construction sectors. We are equipped with the most modern facilities and a highly qualified workforce, enablg us to offer the widest possible range of fittgs and flanges. Our product le embodies the highest standards quality, productivity and dependability. ALFA-UK will make an exceptional effort to achieve contuous improvement everythg we do. We will deliver defect-free products and services on time to our customers. Our foremost objective is to do all of our tasks right the first time meetg the requirements of the customer. Quality assurance figures at the raw material stage and persists through all departments until it reaches the customer. We strive to maximize return on our resources and assets through careful capital management, well reasoned risk takg and the establishment of longterm goals for constant growth, tegrity and honorable behavior are the tegral part of our values. We, ALFA-UK, with many years of experience and expertise, utilize origal cuttg-edge technologies to our advantage providg quality products that support the basic needs of life. ALFA-UK flanges and fittgs are designed and manufactured to withstand some of the world's harshest conditions, which they often need to endure specialized market sectors such as oil & gas, petrochemicals, power generation and meral refg. Our regional warehouses can respond quickly to your needs, your problems and your shipment.all our products are exported to most parts of the world, such North and South America, Europe, Russian countries and Middle East.

3 BUTTWELD FITTINGS CONTENTS ALFA - UK BUTTWELD FITTINGS Types and Application of Buttweld Fittgs. Applicable Standards. (ASM / ASTM / MSS) Elbow 90º Long & Short Radius. Elbow º Long & Short Radius. Caps Equal Tee Reducg Tee Eccentric Reducers Concentric Reducers Technical Specification Elbow º and 90º Tee and Caps Reducg Tees and Reducers 7 7 ALFA - UK Forged Steel Flanges Types & Ratg Standards ASME / ANSI Flanges Types of Flanges Weld Neck Flanges Slip-On Flanges Socket Weld Flanges Screwed / Threaded Flanges Lap Jot Flanges Bld Flange ASME _ANSI B. Specification Weld Neck Flanges - Class 0lbs Weld Neck Flanges - Class 00lbs Slip On Flanges - Class 0 lbs Slip On Flanges - Class 00 lbs Bld Flanges - Class 0lbs Bld Flanges - Class 00lbs BS 0 (PN Designated) Weld Neck Flanges / Slip-on Flanges / Bld Flanges Bar Weld Neck Flanges / Slip-on Flanges / Bld Flanges Bar 9 7 9

4 BUTTWELD FITTINGS Alfa Butt w eld fittgs are made of high quality materials through earthg and precision process, conform to ANSI B.9, ASTM A, WPB Standards, JIS and DIN 0. Alfa Buttweld fittgs have all specification from / to. Concentric and Eccentric Reducers, Equal and Reducg Tees, and 90 Elbows, Buttweld Caps and Stub Ends, are all part of the comprehensive range of Buttweld fittgs carried by ALFA-UK LTD. All our Buttweld fittgs conform to relevant material and dimensional specifications and can be supplied complete with material certificates. A pipe fittg is defed as a part used a pipg system, to change direction or function, which is mechanically joed to the system. TYPES AND APPLICATIONS OF BUTTWELD FITTINGS A pipg system usg Buttweld fittgs has many herent advantages over other forms. Weldg a fittg to the pipe means it is permanently leakproof. The contuous metal structure formed between pipe and fittgs adds strength to the system. Smooth ner surface and gradual directional changes reduce pressure losses and turbulence and mimise the action of corrosion and erosion. A welded systems utilises a mimum of space. APPLICABLE STANDARDS ALFA Buttweld fittgs are manufactured, as a rule, accordance with ASME standards B.9 and B. for dimensions, shapes and tolerances. ALFA Buttweld fittgs are mached accordance with ASME B. standards for weldg and preparation. Manufacturg methods, quality and so on are bassed upon ASTM A, A0 and A specifications. Buttweld fittgs conformg to dimensions and dimensional tolerances specified MSS SP- can be manufactured on application. Buttweld fittgs conformg to MSS SP-7 can be specially manufactured on application. ALFA has standardized dimensions and dimensional tolerances for Buttweld fittgs of 0 ches and larger as no ternationally recognized standards exist. ASME STADARDS B.9 Wrought Steel Buttweld fittgs B. Wrought Steel Buttweld Short Radius and Returns B. Buttweld Ends B. Forged Fittgs, Socket-Weldg and Threaded B. Welded and Seamless Wrought Steel Pipe B.9 Staless Steel Pipe ASTM STANDARDS A Pipg Fittgs of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperatures Service A0 Wrought Austenitic Staless Steel Pipg Fittgs A Pipg Fittgs of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service MSS STANDARDS SP- Wrought Staless Steel Buttweld Fittgs SP-7 High Test Wrought Buttweld Fittgs

C ALFA UK LTD BUTTWELD FITTINGS BUTTWELD FITTINGS 90 0 ELBOWS Th C OD I D C distance and is equivalent to the radius through which the elbow is bent.

Elbows are split to three groups which defe the distance over which they change direction, expressed as a function of the distance from the centre le of one end to the opposite face.

face dime n - (L.R.) elbow where the centre to face is the same as the nomal pipe s ion is longer than t h e standard long dimension is always / times the size of the elbow. radius type.

This is due to the smaller degree of bend. The function of 0 Elbow is the same as a 90 0 Elbow, but the measur- ement of dimensions, however, is different to that of the 90 0 Elbow.

5 C ALFA UK LTD BUTTWELD FITTINGS BUTTWELD FITTINGS 90 0 ELBOWS Th C OD I D C distance and is equivalent to the radius through which the elbow is bent. The functions of a 90 0 elbow is to change direction or flow a pipg systems. Elbows are split to three groups which defe the distance over which they change direction, expressed as a function of the distance from the centre le of one end to the opposite face. This is known as the centre to face LONG RADIUS ELBOW SHORT RADIUS ELBOW EXTRA LONG RADIUS The most coon is the long radius In this case the centre to face dimension This is where the centre to face dime n - (L.R.) elbow where the centre to face is the same as the nomal pipe s ion is longer than t h e standard long dimension is always / times the size of the elbow. radius type. The most coon of these is nomal pipe size of the elbow. where the centre to face dimension is three times the nomal size. i.e D 0 ELBOWS Th C OD ID centre les perpendicular to each other. This is due to the smaller degree of bend. The function of 0 Elbow is the same as a 90 0 Elbow, but the measur- ement of dimensions, however, is different to that of the 90 0 Elbow. The radius of a 0 Elbow is the same as the radius of the 90 0 L.R. Elbow where R equals ½ D. However, the centre to face dimension is not equivalent to the radius as 90 0 L.R. Elbows, This is measured from each face to the pot of tersection of the CAPS E The function of an end cap is to block off the end of a le pipg systems. This is achieved by placg the end cap over the open le and weldg around the jot. ID OD

BUTTWELD FITTINGS EQUAL TEES R OD OD R Th The function of a Tee is

The Ma flow passes through the run whilst the 90 0 outlet is known

The equal Tee is manufactured with all three outlets beg the same

branch outlet smaller than the run to obta the desired flow and

R R ECCENTRIC REDUCERS L The function of both types of reducer is

obviously results an creased flow pressure.

the larger end enablg it to le up with one side of the let and not

CONCENTRIC REDUCERS L The Concentric Reducer is so manufactured

6 BUTTWELD FITTINGS EQUAL TEES R OD OD R Th The function of a Tee is to permit flow at 90 0 to the ma direction of flow. The Ma flow passes through the run whilst the 90 0 outlet is known as the branch. The equal Tee is manufactured with all three outlets beg the same size. REDUCING TEES M The Reducg Tee is manufactured with the branch outlet smaller than the run to obta the desired flow and pressure through the system. R R ECCENTRIC REDUCERS L The function of both types of reducer is to reduce the le from a larger to a smaller pipe size, this obviously results an creased flow pressure. With the Eccentric Reducer the smaller outlet end is off centre to the larger end enablg it to le up with one side of the let and not with the other. CONCENTRIC REDUCERS L The Concentric Reducer is so manufactured that both let and outlet ends are on a coon centre le. The Concentric reducer is easier and less expensive to produce but does not allow quite the same versatility as the Eccentric Reducer. The lengths of both types are fixed by m a n uf a c turg standards.

7 BUTTWELD FITTINGS ASTM A WPB ANSI B.9 ANSI B. Technical Specification- Sizes, Dimensions and Weights NPT (ch) ½ ½ 0 DN () OUTSIDE DIAMETER AT BEVEL () CENTRE- TO-END () CENTRE- TO-END () STANDARD WEIGHT WALL THICKNESS () APPROX WEIGHT (kg) APPROX WEIGHT (kg) EXTRA STRONG WALL THICKNESS () APPROX WEIGHT (kg) APPROX WEIGHT (kg) OD C C Th Th ALFA - UK LTD. reserves the right to change the contents with out notice ASTM A WPB ANSI B.9 ANSI B. Technical Specification- Sizes, Dimensions and Weights NPT (ch) ½ ½ 0 DN () OUTSIDE DIAMETER AT BEVEL () CENTRE- TO-END RUN () CENTRE- TO-END OUTLET () STANDARD WEIGHT WALL THICKNESS () APPROX WEIGHT (kg) NOMINAL LENGTH () APPROX WEIGHT (kg) WALL THICKNESS () EXTRA STRONG APPROX WEIGHT (kg) NOMINAL LENGTH () APPROX WEIGHT (kg) TEE CAPS CAPS TEE CAPS CAPS OD R M Th E Th E ALFA - UK LTD. reserves the right to change the contents with out notice

8 Reducg Tees & Reducers Technical Specification- Sizes, Dimensions and Weights REDUCING TEE RUN NPS (INCH) DN () NPS (INCH) DN () RUN () STANDARD (kg) EXTRA STRONG (kg) OUTLET () NOMINAL LENGTH REDUCERS () APPROXIMATE WEIGHTS OUTLET or REDUCED END NOMINAL CENTER TO END OF TEES ECCENTRIC REDUCER CONCENTRIC REDUCER ASTM A WPB ANSI B.9 ANSI B. ½ ½ ¾ ¼ ½ ¼ ½ ¼ ½ ½ ¼ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ R M L TEE REDUCER REDUCER TEE

A flange is a method of connectg pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleang, spection or modification.

9 A flange is a method of connectg pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleang, spection or modification. Flanges are usually welded or screwed to such systems and then joed with bolts. A flange can also be a plate or rg to form a rim at the end of a pipe when fastened to the pipe. FORGED STEEL Forged steel flanges made of carbon steel or staless steel, the materials conform to the JIS, ASTMA, A, DIN70 ST- and BS standard. Dimension to be accordance with JIS ANSI DIN BS standard accordgly The flanges are suitable for connection of steel pipes conveyg mediums such as steam, oil, air and water. They are widely used chemical dustry and Shipbuildg. And the flanges are suitable for weldg. The flanges maly clude Weld Neck,Bld, Slip-on, Lap-Jot, Socket, Reducg and plate type. Forged flanges TYPES RATING STANDARDS MATERIAL 0lbs to 00 lbs ANSI B. ASTMA- PN to PN 0 DIN,, Weld Neck,,7, Bld 7,,7, Slip-on MSS SP Lap Jot ASME B.7 Screwed BS 0 Socket Weld Sizes / to NB ( to 900 MB ) Facg Raised, Flat, Rg type jot, Male / Female, Tongue / Groove. Plate flanges TYPES RATING STANDARDS Slip-on w/o collar Bld PN to PN 0 DIN 7, D 7 DIN BS, BS 0 9

ASME/ANSI The Followg are the various types of flanges manufactured by ALFA - UK LTD Weld Neck Flange, Slip-On Flange, Socket Weld Flange, Screwed/Threaded Flange Lap Jot Flange, Bld Flange WELD NECK

The bores of both pipe and flange match, which reduces turbulence and erosion side the pipele. The weld neck is therefore favoured critical application.

Carbon steel and alloy steel with yellow prt, black prt, oil or zc.

10 ASME/ANSI The Followg are the various types of flanges manufactured by ALFA - UK LTD Weld Neck Flange, Slip-On Flange, Socket Weld Flange, Screwed/Threaded Flange Lap Jot Flange, Bld Flange WELD NECK FLANGE WELD NECK FLANGE(WN flange)is circumferentially welded to the system at its neck which means that the tegrity of the butt welded area can be easily examed by radiography. The bores of both pipe and flange match, which reduces turbulence and erosion side the pipele. The weld neck is therefore favoured critical application. Standards Pressure classes range Sizes range Materials Prtg ANSI B., ASME B.7 0lbs to,00lbs. From ½ to Carbon steel,staless steel and alloy steel. ASTM - A. Carbon steel and alloy steel with yellow prt, black prt, oil or zc. Weld Neck Flange Dimensions Class 0 lbs, 00 lbs, 00 lbs, 00 lbs, 900 lbs, 00 lbs, 00 lbs SLIP-ON FLANGE This flange is slipped over the pipe and then fillet welded. Slip-on flange are easy to use fabricated applications. Standards Pressure classes range Sizes range Materials Prtg ANSI B., ASME B.7 0lbs to,00lbs. From ½ to Carbon steel,staless steel and alloy steel. ASTM - A. Carbon steel and alloy steel with yellow prt, black prt oil or zc. Slip-On Flange Dimensions Class 0 lbs, 00 lbs, 00 lbs, 00 lbs, 900 lbs, 00 lbs SOCKET WELD FLANGE This flange is counter bored to accept the pipe before beg fillet welded. The bore of the pipe and flange are both the same therefore givg good flow characteristics. Standards Pressure classes range Sizes range Materials Prtg GB9-9, SH0, ANSI B., DIN 77 DIN- From 0 lbs to,00 lbs DN -DN00. Carbon steel, staless steel and alloy steel. Carbon steel and alloy steel with yellow prt, black prt, oil or zc.

SCREWED / THREADED FLANGE This flange is referred to as either threaded or screwed. It is used to connect other threaded components low pressure, non-critical applications.

Carbon steel, staless steel and alloy steel. Carbon steel and alloy steel with yellow prt, black prt, oil or zc. Plywooden case.

This means the stub end or taft always makes the face. The lap jot is favoured low pressure applications because it is easily assembled and aligned.

11 SCREWED / THREADED FLANGE This flange is referred to as either threaded or screwed. It is used to connect other threaded components low pressure, non-critical applications. No weldg is required. Standards Nomal Pressure Nomal Materials Prtg Packg ANSI, AS9, JIS, DIN, EN-9-, BS BS0 etc. PN0.-PN, 0LB-900LB,K-0K. DNA-DN00A, NPS/ -. Carbon steel, staless steel and alloy steel. Carbon steel and alloy steel with yellow prt, black prt, oil or zc. Plywooden case. LAP JOINT FLANGE These flange are always used with either a stub end or taft which is buttwelded to the pipe with the flange loose behd it. This means the stub end or taft always makes the face. The lap jot is favoured low pressure applications because it is easily assembled and aligned. To reduces cost these flanges can be supplied without a hub and/or treated, coated carbon steel. Standards Process Sizes range Materials ANSI, MSS, API, AWWA, DIN, JIS, BS AND GB. free forgg, plate cuttg. / to (and much larger size accordg tocustomers demands) Carbon steel, staless steel and alloy steel BLIND FLANGE This flanges is used to blank off pipeles, valves and pumps, it can also be used as an spection cover. It is sometimes referred to as a blankg flanges. Standards Pressure classes range Sizes range Materials Prtg ANSI B., ASME B.7 0lbs to,00lbs. From ½ to Carbon steel,staless steel and alloy steel. ASTM - A. Carbon steel and alloy steel with yellow prt, black prt oil or zc. Bld Flange Dimensionst Class 0 lbs, 00 lbs, 00 lbs, 00 lbs, 900 lbs, 00 lbs, 00 lbs

12 Pipe Flange Data Nomal Pipe Size Hub Data Drillg Data Weight Raised A B C D E F G H I J Outside Overall Inside Overall Length Hub Bolt Hole Number kg/ peice at Weld Bevel of Circle Flange Thickness m ½ ¾ ¼ ½ ½ ½ C B E F G J A I 0.0 (. ) Weld Neck Flanges - ANSI B. Class 0lbs To be specified by purchaser

13 Pipe Flange Data Nomal Pipe Size Hub Data Drillg Data Weight Raised A B C D E F G H I J Outside Overall Inside Overall Length Hub Bolt Hole Number kg/ peice at Weld Bevel of Circle Flange Thickness m ½ ¾ ¼ ½ ½ ½ C B E F G J A I 0.0 (. ) Weld Neck Flanges - ANSI B. Class 00lbs To be specified by purchaser

14 Pipe Flange Data Nomal Pipe Size Hub Drillg Data Weight Raised A B C D F G H I J Outside Overall Inside Overall Length Hub Bolt Hole Number kg/ peice of Circle Flange Thickness m ½ ¾ ¼ ½ ½ ½ Slip On Flanges - ANSI B. Class 0lbs C D B F G J A I 0.0 (. )

15 Pipe Flange Data Nomal Pipe Size Hub Drillg Data Weight Raised A B C D F G H I J Outside Overall Inside Overall Length Hub Bolt Hole Number kg/ piece of Circle Flange Thickness m ½ ¾ ¼ ½ ½ ½ Slip On Flanges - ANSI B. Class 00lbs C D B F G J A I 0.0 (. )

16 Bld Flanges - ANSI B. Class 0lbs C G J A I 0.0 (. ) Pipe Flange Data Nomal Pipe Size Drillg Data Weight Raised A C G H I J Number kg/ peice Bolt Hole Overall Outside of Circle Flange Thickness m ½ ¾ ¼ ½ ½ ½

17 Bld Flanges - ANSI B. Class 00lbs Pipe Flange Data Nomal Pipe Size Drillg Data Weight Raised A C G H I J Number kg/ peice Bolt Hole Overall Outside of Circle Flange Thickness m ½ ¾ ¼ ½ ½ ½ C G J A I 0.0 (. ) 7

18 WELD NECK SLIP-ON BLIND BAR Acc. to BS 0 Nomal Bore* of Bolts* No. of Holes Approximate Weight (Kgs) DIN DIN Outside * D K Pitch Circle * 9 7 M M M M M M M M M M M M M M M M7 M7 M M M M M M9 Dimensions.

.. 0.7.0.9 0 0 0 0 M M M.0..... 0 0 0 0 90 M M M.9. 7..7.7. 0 0 70 00 0 0 M M M... 9.07.

19 WELD NECK SLIP-ON BLIND BAR Acc. to BS 0 Nomal Bore* of Bolts* No. of Holes Approximate Weight (Kgs) DIN DIN Outside * Pitch Circle * 9 7 M M M M M M M M M M M M M7 M7 M M M M M M9 M M M 07 Dimensions. 9 D K

20 BUTTWELD FITTINGS &

Fittings. Elbow Pipe. Specifications:

Fittings. Elbow Pipe. Specifications: Elbow Pipe This type of fitting is widely used in piping systems to connect two straight sections of pipes of equal or different nominal diameter and with a curvature at a certain angle to change its direction;