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300LB Shorter Stroke Manual Water Globe Valve , A351 CF8 1 Inch Globe Valve

300LB Shorter Stroke Manual Water Globe Valve , A351 CF8 1 Inch Globe Valve

  • 300LB Shorter Stroke Manual Water Globe Valve , A351 CF8 1 Inch Globe Valve
  • 300LB Shorter Stroke Manual Water Globe Valve , A351 CF8 1 Inch Globe Valve
300LB Shorter Stroke Manual Water Globe Valve , A351 CF8 1 Inch Globe Valve
Product Details:
Place of Origin: China
Brand Name: TOBO
Certification: API ISO TS CE
Model Number: A351 CF8
Payment & Shipping Terms:
Minimum Order Quantity: 5Pcs
Price: Negotiation
Packaging Details: Carton, Ply-Wooden case or according to the clients request
Delivery Time: 10 working days
Payment Terms: L/C, T/T, Western Union
Supply Ability: 1000Pcs per Month
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Detailed Product Description
Name: Stainless Steel Flange End Globe Valve Material: A351 CF8
Ends: Flange Application: Gas,Oil,Water
Size: 1'' Advantage: Shorter Stroke
Tempreture: High Tempreture Stem Thread Position: Outside Screw Stem Globe Valve
High Light:

A351 1 inch globe valve


CF8 1 Inch Globe Valve


300LB Water Globe Valve

A351 CF8 1'' 300LB Shorter Stroke Manual Stainless Steel Flange End Globe Valve


Quick Details


How Does It Work?


Globe valves are usually controlled by an automatic actuator that regulates the flow by moving the

disk perpendicular to the seat. Globe valves can control fluid flow either manually or automatically.

The right angles produce less leakage than you’d find in a gate valve.


When turned in a clockwise motion the disk lowers to the seat which physically obstructs the

liquid’s path, either reducing it or blocking it completely, depending on how low the disk moves.


Types of Globe Valves


There are various globe valve types and designs, each with there own pros and cons.


Globe Valve Arrangement Based on Fluid Flow


Disks that close against the direction of the fluid flow are great if you need a quick opening

valve. Disks that close with the direction of the fluid flow are a better a choice if you need a

quick closing valve.


Pressure rating and size: PN10,PN25,PN40,PN64,150L-600LB
DN40 to DN600
Material: Body : A216-WCB,A325-LCB,A217-WC6,CF8,CF8M
Disc : A105+13Cr, SS304, SS316
Stem : A182+F6a,A182-F6a
Bonnet :A216-WCB,A325-LCB,A217-WC6,CF8,CF8M
Operated type Handwheel
Structure: stopcock for water
Flange connection: ASME B16.5,EN1092
Butt-weld ends: ASME B16.25
Medium: W.O.G
Temperature: -20 to 425°C


Globe valves


A Globe valves is a linear motion valve and are primarily designed to stop, start and regulate flow.

The disk of a Globe valve can be totally removed from the flowpath or it can completely close the flowpath.


Conventional Globe valves may be used for isolation and throttling services. Although these valves exhibit slightly

higher pressure drops than straight=through valves (e.g., gate, plug, ball, etc.), they may be used where the pressure

drop through the valve is not a controlling factor.


Because the entire system pressure exerted on the disc is transferred to the valve stem, the practical size limit for these

valves is NPS 12 (DN 300). Globe valves larger than NPS 12 (DN 300) are an exception rather than the rule. Larger

valves would require that enormous forces be exerted on the stem to open or close the valve under pressure. Globe

valves in sizes up to NPS 48 (DN 1200) have been manufactured and used.


Globe valves are extensively employed to control flow. The range of flow control, pressure drop, and duty must be

considered in the design of the valve to avert premature failure and to assure satisfactory service. Valves subjected

to high-differential pressure-throttling service require specially designed valve trim.


Generally the maximum differential pressure across the valve disc should not exceed 20 percent of the maximum

upstream pressure or 200 psi (1380 kPa), whichever is less. Valves with special trim may be designed for applications

exceeding these differential pressure limits.


1" 25 127 212 140 108 79.5 51 11.1 4-16
1 1/4" 32 140 243 160 117 89.5 64 12.7 4-16
1 1/2" 40 165 246 160 127 98.5 73 14.3 4-16
2" 50 203 252 200 152 120.5 92 15.9 4-19
2 1/2" 65 216 308 200 178 139.5 105 17.5 4-19
3" 80 241 327 250 190 152.5 127 19.1 4-19
4" 100 292 384 250 229 190.5 157 23.9 8-19
5" 125 356 484 300 254 216 186 23.9 8-22
6" 150 406 547 350 279 241.5 216 25.4 8-22
8" 200 495 669 350 343 298.5 270 28.6 8-22
10" 250 622 824 200 406 362.5 324 30.2 12-25


Advantages and disadvantages of Globe valves



  • Good shutoff capability
  • Moderate to good throttling capability
  • Shorter stroke (compared to a gate valve)
  • Available in tee, wye, and angle patterns, each offering unique capabilities
  • Easy to machine or resurface the seats
  • With disc not attached to the stem, valve can be used as a stop-check valve



  • Higher pressure drop (compared to a gate valve)
  • Requires greater force or a larger actuator to seat the valve (with pressure under the seat)
  • Throttling flow under the seat and shutoff flow over the seat


Typical Applications of Globe valves

The following are some of the typical applications of Globe valves:

  • Cooling water systems where flow needs to be regulated
  • Fuel oil system where flow is regulated and leaktightness is of importance
  • High-point vents and low-point drains when leaktightness and safety are major considerations
  • Feedwater, chemical feed, condenser air extraction, and extraction drain systems
  • Boiler vents and drains, main steam vents and drains, and heater drains
  • Turbine seals and drains
  • Turbine lube oil system and others

300LB Shorter Stroke Manual Water Globe Valve , A351 CF8 1 Inch Globe Valve 0

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