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Globe Valve

Globe Valve
• Size: 2" ~24"
• Pressure Rating: CL150-CL2500.
• Connection end: FF, RF, RTJ, BW.
• Body Material: Body Materials Carbon Steel, Stainless Steel, Alloy steel, Duplex SS etc. Optional materials on request.
• Design Standard: BS1873, API 623, ASME B16.34
• Test: API 598, ISO 5208
• Flange End: ASME B16.5, ASME B16.47
• Welding End: ASME B16.25
• Face to Face: ASME B16.10,
• Sour Service: NACE MR 0175
• Operation: Handwheel, Gear, pneumatic, Electric, etc
• Application conditions: The globe valve is suitable for a variety of media pipelines, including tap water, chemical fluids, petrochemical, public utilities and other pipeline systems, the globe valve can be cut off and flow/pressure regulation, is usually selected in the convection resistance requirements of the pipe.

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Description

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.

Specification

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
Note:The chart above only lists out some common composition of steel check valve parts.We may provide other different parts material composition

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


Standard

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