Carbon Steel Industrial Globe Valve A216 WCB Ansi Flanged Plug Disc
Stop Valves J40H
1. Type: Industrial Globe Valve
2. OS&Y Construction, Bolted Bonnet
3. Size Range of Globe Valve: 2" to 18"
4. Pressure Ratings: ANSI 150LB - 2500LB
5. End Connections: Flanged, Butt weld
6. Materials Available in: Carbon Steel A216 - WCB
7. Various trim materials are available to suit service conditions
8. Actuator: Manual, Handwheel, Gear Operated
9. NACE MR 0175
Design and Manufacture: Cast steel globe valve to BS 1873 and ASME
Inspection and Test: API 598.
End flange dimension: ASME B16.5.
BW end dimension: ASME B16.25.
Face to face and end to end: ASME B16.10.
Pressure-temperature ratings: ASME B16.34.
Bolted Bonnet: Outside Screw and Yoke: Rising stems: Metallic
2. Body and Bonnet Connection
Class150 - Ciass900 globe valves are usually bolted bonnet. For
Ciass1500-Class2500 globe valves are usually adopted pressure seal
3. Bonnet Gasket Style
Stainless steel + flexible graphite wounded gasket is used for
Class150 and Class300 globe valve; Stainless steel + flexible
graphite wounded gasket is used for Class600, and metal ring gasket
is also optional for Class600. The metail ring gasket is used for
Class900 globe valve; Pressure seal design is used for Class1500 -
Class2500 globe valve.
4. Packing Seal
As usual, flexible graphite is used for packing material. PTFE or
combined packing material can be also used if being requested by
the customer. The surface roughness between the packing and packing
seat is Ra 3.2 μm, so the stem contact the packing surface tightly
but rotate freely. The roughness of stem sealing face is Ra 0.8 μm
after being precisely machined to ensure the reliable tightness.
5. Stem Design
The stem is of integral forged design. The minimum diameter of the
stem shall per the standard requirement.
6. Backseat Design
All our globe valves have the backseat design. In most cases, the
carbon steel globe valve is fitted with a renewable backseat. For
stainless steel globe valve, the backseat is machined directly in
the bonnet or is machined after welding. When the globe valve is at
fully open position, the sealing of the backseat can be very
For carbon steel globe valve, the seat is usually forged steel. The
sealing surface of the seat is spray welded with hard alloy
specified by the customer. Renewable threaded seat is used for
NPS≤10 globe valves, and welded on seat can be also optional if
being requested by the customer. Welded on seat is used for NPS≥12
carbon steel globe valves. For Stainless steel globe valve,
integral seat is usually adopted, or to weld hard alloy directly
integrally. Threaded or welded on seat is also optional for
stainless steel globe valve if being requested by the customer.
8. 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 large
sized globe valve, if the rolling bearing is fitted,it is effective
to reduce the torque of globe valve for easy operation.
In most of cases, handwheel & gearbox is usually used for globe
valve operatrion. Chain wheel and electric actuator can be also
used for globe valve operation if being requested by the customers.
10. Other Globe Valves
Besides the common globe valves, we also makes cryogenic globe
valve, Bellow sealed globe valve, Jacketed globe valve, etc.
11.Parts and Material List
|No.||WCB/Trim 1||WCB/Trim 5||WCB/Trim 8|
|1||Body||ASTM A216 WCB||ASTM A216 WCB||ASTM A216 WCB|
|2||Seat ring||A105+13Cr||A105 + STL||A105+STL|
|3||Disc||ASTM A216 WCB+13Cf||ASTM A216 WCB + STL.||ASTM A216 WCB + 13CR|
|4||Stem||ASTM A182 F6a||ASTM A182 F6a||ASTM A182 F6a|
|5||Disc nut||AS1M A216 WCB||ASTM A216 WCB||ASTM A216 WCB|
|6||Bonnet nut||ASTM A194 2H||ASTM A194 2H||ASTM A194 2H|
|7||Bonnet bolt||ASTM A193 B7||ASTM A193 B7||ASTMA193 B7|
|8||Gasket||304SS + Graphite||304SS + Graphite||304SS +Graphite|
|9||Backseat bushing||ASTM A182 F6a||ASTM A182 F6a||ASTM A182 F6a|
|10||Bonnet||ASTM A216 WCB||ASTM A216 WCB||ASTM A216 WCB|
|12||Eyebolt pin||ASTM A36||ASTM A36||ASTM A36|
|13||Gland eyebolt||ASTM A193 B7||ASrM A193 B7||ASTM A193 87|
|14||Gland||ASTMA182 F6a||ASTM A182 F6a||ASTM A182 F6a|
|15||Gland flange||ASTM A216 WCB||ASTM A216 WCB||ASTM A216WCB|
|16||Eyebolt nut||ASTMA194 2h||ASTMA194 2H||ASTM A194 2H|
|17||Slem nut||ASTM A439 D2.||ASTM A439 D2||ASTM A439 D2|
|18||Handwheel||Ductile Iron||Ductile Iron||Ductile Iron|
|19||Handwheel nut||Carbon steel||Carbon steel||Carbon steel|