Payment & Shipping Terms:
|Body Material:||Cast Steel: Carbon Steel, Alloy Steel, Stainless Steel||Trim:||13Cr, Half Stellite/ Full Stellite, SS304, SS316, Dss|
|Size:||2in To 18in||Pressure Rating:||Class 150LB - 2500LB|
|Actuator:||Manual: Handwheel, Gear Operated||Connection Ends:||RF, FF, RTJ, BW|
|Disc Type:||Plug, Needle, Parabolic, Ball Type Disc||Other:||OEM Available|
carbon steel globe valve,
manual globe valve
Api Cast Steel Industrial Globe Valve Metal Seat Manual Operated J40H for Regulating Flow
Design and Manufacture: Cast steel globe valve to BS 1873 and ASME B16.34
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.
2. The Features of Globe Valve
Bolted Bonnet: Outside Screw and Yoke: Rising stems: Metallic seating surfaces
3. Body and Bonnet Connection
Class150 - Ciass900 globe valves are usually bolted bonnet. For Ciass1500-Class2500 globe valves are usually adopted pressure seal bonnet design.
4. 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.
5. 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.
6. Stem Design
The stem is of integral forged design. The minimum diameter of the stem shall per the standard requirement.
7. 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 reliable.
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.
9. 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.
11. Other Globe Valves
Besides the common globe valves, we also makes cryogenic globe valve, Bellow sealed globe valve, Jacketed globe valve, etc.
12.Parts and Material List
|WCB/Trim 1||WCB/Trim 5||WCB/Trim 8||CF8/304||CF8M/316|
|1||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+13Cf||ASTM A216 WCB + STL.||ASTM A216 WCB + 13CR||ASTM A351 CF8||ASTM A351 CF8M|
|A||Stem||ASTM A182 F6a||ASTM A182 F6a||ASTM A182 F6a||ASTM A182 F304||ASTM A182 F316|
|5||Disc nut||AS1M A216 WCB||ASTM A216 WCB||ASTM A216 WCB||ASTM A351 CF8||ASTM A351 CF8M|
|6||Bonnet nut||ASTM A194 2H||ASTM A194 2H||ASTM A194 2H||ASTMA194 8||ASTM A194 8M|
|7||Bonnet bolt||ASTM A193 B7||ASTM A193 B7||ASTMA193 B7||ASTMA193 B8||ASTM A193 B8M|
|8||Gasket||304SS + Graphite||304SS + Graphite||304SS +Graphite||304SS + Graphite||316SS + 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|
|12||Eyebolt pin||ASTM A36||ASTM A36||ASTM A36||304SS||316SS|
|13||Gland eyebolt||ASTM A193 B7||ASrM A193 B7||ASTM A193 87||ASTMA193 B8||ASTM A193 B8M|
|14||Gland||ASTMA182 F6a||ASTM A182 F6a||ASTM A182 F6a||ASTM A182 F304||ASTM A182 F316|
|15||Gland flange||ASTM A216 WCB||ASTM A216 WCB||ASTM A216WCB||ASTM A351 CF8||ASTM A351 CF8M|
|16||Eyebolt nut||ASTMA194 2h||ASTMA194 2H||ASTM A194 2H||ASTM A194 8||ASTM A194 8M|
|17||Slem nut||ASTM A439 D2.||ASTM A439 D2||ASTM A439 D2||ASTM A439 D2||ASTM A439 D2|
|18||Handwheel||Ductile Iron||Ductile Iron||Ductile Iron||Ductile Iron||Ductile Iron|
|19||Handwheel nut||Carbon steel||Carbon steel||Carbon steel||Carbon steel||Carbon steel|
Contact Person: Mr. Biff Teng