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Technical Specification
Design and Manufacture:Cast steel globe valve to BS 1873 and ASME B16.34;Forged steel globe valve to API 602.
Inspection and Test:API 598.
End flange dimension:ASME B16.5
BW end dimension:ASME B16.25.
Socket-weld dimension:ASME B16.11.
Face to face and end to end:ASME B16.10.
Pressure-temperature ratings:ASME B16.34
The features of globe valve
Bolted Bonnet;Outside Screw and Yoke;Rising stems;Metallic seating surfaces.
Body and Bonnet Connection
The body and bonnet of Class 150~Class 900 globe valves are usually with studs and nuts.And the body and bonnet of Class 1500·Class 2500 globe valves are usually of pressurized seal design.
Gasket of Cover Flange
Stainless steel +flexible graphite wounded gasket is used for Class 150 and Class 300 globe valve;Stainless steel+flexible graphitewounded gasket is used for Class 600,and ring joint gasket is also optional for Class 600.Ring joint gasket is used for Class 900 globe valve;Pressurized seal design is used for Class 1500~Class 2500 globe valve.
Actuation
Hand wheel,impact hand wheel &gear box is usually used for globe valve actuation.Chain wheel and electric actuator can be alsoused for globe valve actuation if being requested by the customers.
Packing Seal
Molded flexible graphite is used for packing material.PTFE or combined packing material can be also used if being requested by thecustomer.The internal surface of the stuffing box,of which area is contacted with the packing,is of excellent finish (Ra 3.2 μm).Thestem surface,contacting with the packing,should be rolled and pressed after being precisely machined,so as to reach to the highfinish and compactness (Ra 0.8 μm)and ensure the relizble tightness of the stem area.
Belleville Spring Loaded Packing Impacting System
lf being requested by the customer,the Belleville spring loaded packing impacting system can be adopted for enhancing the durabilityand reliability of the packing seal.
Back Seating Design
All our globe valves have the back seating design.In most cases,the carbon steel globe valve is fitted with a renewable back seatFor stainless steel globe valve,the back seat is machined directly in the bonnet or is machined after welding.When the globe valveis at fully open position,the sealing of the back seat can be very reliable.However,as per the requirement of APl,it is not advisableto add or change packing by the mean of back seating when the valve is pressure containing
Seat
For carbon steel globe valve,the seat is usually forged steel.The sealing surface of the seat is spray welded with hard alloy specifiedby the customer.Renewable threaded seat is used for NPS≤10 globe valves,and welded on seat can be also optional if beingrequested by the customer.Welded on seat is used for NPS≥12 carbon steel globe valves.For Stainless steel globe valve,integralseat is usually adopted,or to weld hard alloy directly integrally.Threaded or welded on seat is also optional for stainless steel globevalve if being requested by the customer.
Stem Design
The stem is of integral forged design.The minimum diameter of the stem shall per the standard requirement.
Stem Nut
Usually,the stem nut is made of ASTM A439 D2.it is also can be made of copper ally if being requested by the customer.For largesized globe valve,rolling bearing is fitted at the two sides of stem nut in order to minimize the open and close torque of the globe valve.
Special Gate Valve
Besides the common globe valves,Company also makes cryogenic globe valve,Bellow sealed globe valve,Jacketed globe valve etc.
Cast Steel Globe Valve
Technical Specification | |
Design and Manufacture:BS1873 or ASME B16.34 | Socket-weld dimension:ASME B16.11 |
Inspection and Test:API 598 | Face to face and end to end:ASME B16.10 |
End flange dimension:ASME B16.5 | Pressure-temperature ratings:ASME B16.34 |
BW end dimension:ASME B16.25 |
Parts No. |
Parts Name | Materials | |||||||
WCB/Trim 1 | WCB/Trim 5 | WCB/Trim 8 | CF8/304 | CF8M/316 | |||||
Body | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||||
2 | Seat ring | A105+13Cr | A105+STL | A105+STL | ASTM A351 CF⁸ | ASTM A351 CF8M | |||
3 | Disc | ASTM A216 WCB+13Cr | ASTM A216 WCB+STL | ASTM A216 WCB+13Cr | ASTM A351 CF8 | ASTM A351 CF8M | |||
4 | Stem | ASTM A182 F6a | ASTM A182 F6a | ASTM A182 F6a | ASTM A182 F304 | ASTM A182 F316 | |||
5 | Disc nut | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | |||
6 | Bonnet nut | ASTM A1942H | ASTM A1942H | ASTM A1942H | ASTM A1948 | ASTM A1948M | |||
7 | Bonnet bolt | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B8M | |||
8 | Gasket | 304 sheet+Graphite | 304 sheet+Graphite | 304 sheet+Graphite | 304+Graphite | 316+Graphite | |||
9 | Backseat bushing | ASTM A182 F6a | ASTM A182 F6a | ASTM A182 F6a | ASTM A351 CF8 | ASTM A351 CF8M | |||
10 | Bonnet | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | |||
11 | Packing | Graphite | Graphite | Graphite | Graphite | Graphite | |||
12 | Eyebolt pin | ASTM A36 | ASTM A36 | ASTM A36 | 304ss | 316ss | |||
13 | Gland eyebolt | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B8M | |||
14 | Gland | ASTM A182 F6a | ASTM A182 F6a | ASTM A182 F6a | ASTM A182 F304 | ASTM A182 F316 | |||
15 | Gland flange | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | |||
16 | Eyebolt nut | ASTM A1942H | ASTM A1942H | ASTM A1942H | ASTM A1948 | ASTM A1948M | |||
17 | Stem nut | ASTM A439 DS | ASTM A439 D2 | ASTM A439 D2 | ASTM A439 D2 | ASTM A439 D2 | |||
18 | Hand wheel | Ductile Iron | Ductile Iron | Ductile Iron | Ductile Iron | Ductile Iron | |||
19 | Hand wheel nut | Carbon steel | Carbon steel | Carbon steel | Carbon steel | Carbon steel |
according to the customer's request or the actual valve working condition
Forged Steel Globe Valve
Technical Specification | Design Description |
Steel Globe Valves,API 602 | Outside Screw and Yoke (OS&Y) |
Steel Valves,ASME B16.34 | Bolted Bonnet |
Face to Face,Manufacturer Standard | Choice of WB,Welding Bonnet |
Face to Face,Flanged,ASME B16.10 | Seat Rings Integral with Body |
End Flanges,ASME B16.5 | Yoke Integral with Bonnet |
Buttwelding Ends,ASME B16.25 | Rising Stem and Handwheel |
Socket-welding Ends,ASME B16.11 | Horizontal Service |
Screwed Ends,ASME B1.20.1 | SW,Socket-welding Ends |
Inspection and Test,APl 598 | SC,Screwed Ends |
BW,Buttwelding Ends |
No. | Part Name | ASTM Material | |||||||
Carbon Steel | F11 | F22 | 304 Type | 316 Type | 304L Type | 316L Type | 20 Alloy | ||
1 | Body | A105 | A182 F11 | A182 F22 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
2 | Bonne | A105 | A182 F11 | A182 F22 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
3 | Disc | A182 F6a | A182 F11+HF | A182 F22+HF | A182 F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
4 | Stem | A182 F6a | A182 F11 | A182 F22 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | 20-Alloy |
5 | Bonnet Gasket | 304+Graphit | 304+Graphit | 304+Graphii | 304+Graphil | 316+Graphit | 304L+Graphit | 316L+Graphit | 316+Graphi |
6 | Bonnet Bolt | A193 B7 | A193 B7 | A193 B16 | A193 B8 | A193 B8 | A193 B8 | A193 B | A193 B8 |
7 | Packing | Graphite | Graphite | Graphite | Graphite *2 | Graphite *2 | Graphite *2 | Graphite *2 | Graphite *2 |
8 | Gland | A276410 | A276 410 | A276 410 | A276.304 | A276 316 | A276 304L | A276 316L | 20-Alloy |
9 | Gland Flange | A182 F6a | A182 F11 | A182 F22 | A182 F304 | A182 F304 | A182 F304 | A182 F304 | A182 F304 |
10 | Eyebolt | Carbon Steel | A193 B7 | A193 B7 | A193 B8 | A193 B8 | A193 B8 | A193 B8 | A193 B8 |
11 | Eyebolt Nut | Carbon Steel | A194 2h | A194 2H | A1948 | A1948 | A1948 | A194 8 | A1948 |
12 | Eyebolt Pin | A276 410 | A276 410 | A276 410 | A276 304 | A276 304 | A276 304 | A276 304 | A276 304 |
13 | Yoke Sleeve | Bronze | Bronze *3 | Bronze*3 | Bronze | Bronze | Bronze | Bronze | Bronze |
14 | Hand wheel | Malleable iron | Malleable iron | Malleable iron | Malleable iron | Malleable iron | Malleable iron | Malleable iron | Malleable iron |
15 | Wheel Nut | Carbon Steel | Carbon Steel | Carbon Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
*1 | PN≥600Class seal face will be HF | ||||||||
*2 | PTFE Optiona | ||||||||
*3 | Ductile Ni-Resist iron Optional | ||||||||
Na | Intergral with vessell |
Technical Specification | Design Description |
Steel Globe Valves,API 602 | Outside Screw and Yoke (OS&Y) |
Steel Valves,ASME B16.34 | Pressure Seal Bonnet |
Face to Face,Manufacturer Standard | Choice of WB,Welding Bonnet |
Face to Face,ASME B16.10 | Single wedge,Fully Guided |
Buttwelding Ends,ASME B16.25 | Renewable Seat Rings |
Socket-welding Ends,ASME B16.11 | Yoke Integral with Bonnet |
Screwed Ends,ASME B1.20.1 | Rising Stem and Handwheel |
Inspection and Test,API 598 | SW,Socket-welding Ends |
SC,Screwed Ends | |
BW,Buttwelding Ends |
No. | Part Name | CS to ASTM | AS to ASTN | SS to ASTN | ||
Type A 105N | Type F22 | Type F304(L) | Type F316(L) | |||
1 | Bod} | A105N | A182 F22 | A182 F304(L) | A182 F316(L) | |
2 | Disc | A276420+STL | A276304+STL | A276304(L)+STL | A276316(L)+STL | |
3 | Stem | A276-410 | A182 F22 | A182 F304(L) | A182 F316(L) | |
4 | Seal Place | A105 | A182 F22 | A182 F304(L) | A182 F316(L) | |
5 | Packing Ring | A182 F304 | A182 F302 | A182 F304(L | F316(L | |
6 | Bonnet | A105N | A182 F22 | A182 F304(L | A182 F316(L) | |
7 | Pin | A276 420 | A276420 | A182 F304 | A182 F304 | |
8 | Gasket | A105N | A182 F22 | A182 F304(L) | A182 F316(L) | |
9 | Promotes the Nut | A1942H | A194 4 | A194 8 | A194 8M | |
10 | Stem Packing | Flexible graphite+304 | Flexible graphite+304 | Flexible graphite+316 | Flexible graphite+316 | |
11 | Gland | A276 420 | A276 420 | A182 F304 | A182 F304 | |
12 | Gland Flange | A105 | A105 | A182 F304 | A182 F304 | |
13 | Gland Eyeboll | A193 B7 | A193 B16 | A193 B8 | A193 B8M | |
14 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M | |
15 | Yoke Nut | A276 420 | A276 42C | A276 420 | A276 420 | |
16 | Hand Whee | A197 | A194 4 | A197 | A197 | |
17 | Nameplate | SS | SS | SS | SS | |
18 | Stem Nut | C.S | C.S | SS | SS |
Y-Type Forged Steel Globe Valve
Technical Specification | Design Description |
Steel Globe Valves,API 602 | Outside Screw and Yoke (OS&Y) |
Steel Valves,ASME B16.34 | Bolted Bonnet |
Face to Face,Manufacturer Standard | Choice of WB,Welding Bonnet |
Face to Face,Flanged,ASME B16.10 | Loose Disc,Choice of Plug or Ball |
End Flanges,ASME B16.5 | Yoke Integral with Bonnet |
Buttwelding Ends,ASME B16.25 | Rising Stem and Handwheel |
Socket-welding Ends,ASME B16.11 | Hcrizontal Service |
Screwed Ends,ASME B1.20.1 | SW,Socket-welding Ends |
Inspection and Test,API 598 | SC,Screwed Ends |
BW,Buttwelding Ends |
No. |
Components name |
A105 F6a |
A105 F6aHFS |
LF2 304 |
F11 F6aHF |
F304(L) 304(L) |
E316(L) 316(L) |
F91 410HF |
|||
1 | Body | A105 | A105+HF | LF2 | F11+HF | F304(L) | F316(L) | F51 | |||
2 | Disc | F6a | F6a | F304 | F6aHF | F304(L | F316(L) | F51 | |||
3 | Stem | 410 | 410 | 304 | 410 | 304(L | 316(L) | F51 | |||
4 | Gasket | 304+Corrugated SS+Graphite | |||||||||
5 | Bonnet | A105 | A105 | LF2 | F11 | F304(L) | F316(L) | F51 | |||
6 | Bolt | B7 | B7 | F7 | B16 | B8(M) | B8(M) | B8M | |||
7 | Pin | 410 | 410 | 410 | 410 | 304 | 304 | 304 | |||
8 | Gland | 410 | 410 | 304 | 410 | 304 | 316 | F51 | |||
9 | Gland Eyebolt | B7 | B7 | L7 | B16 | B8(M) | 38(M) | B8N | |||
10 | Gland | A105 | A105 | LF2 | F11 | F304 | F304 | F302 | |||
11 | Gland nut | 2H | 2H | 2H | 2H | 8(M) | 8(M) | BM | |||
12 | Yoke Nut | 410 | 410 | 410 | 410 | 410 | 410 | 410 | |||
13 | ocks the nul | 35 | 35 | 35 | 35 | 35 | 35 | 35 | |||
14 | Name plate | AL | AL | AL | AL | AL | AL | AL | |||
15 | Handwheel | A197 | A197 | A197 | A197 | A197 | A197 | A197 |