8000 Series
Company Name : Low Flow
Specification
Sizes:
- 1/2″ – 2″ (DN15 – DN50)
End Connections
- NPT, BSPT
- Raised-face flanges (ANSI, DIN, JIS)
- Ring-type joint flanges
- Socket weld (schedule 40, 80, or 160)
- Bolt-thru flanged (plastic body only)
- Special connections upan request
Actuator (see maximum allowable LlP charts)
- Standard – multi-spring (35M, 55M, 85M)
Body Style
- 2-way globe
- 2-way angle (to 1″/DN25)
- 3-way globe
Bonnet Type:
- Standard screwed
- 8″ extended (cryogenic)
- Multi-ply bellows seal
- Extended multi-ply bellows seal
Trim Material
- 316SST seat & stem / 17-4 pH SS plug
- 316SS seat, stem and plug
- 316SS / Stellite
- Monel
- Hastelloy C
- Alloy 20
- Stellite
- Kynar
- PVC
- Other materials
Actuator Material: 35M/55M/85M – steel ; optional – nickel plated steel and 304SS
Diaphragm Material: Buna-N/Nylon
Stem Packing
- Alloy bodies: Teflon V-ring; graphite/grafoil (use of posi tioners recommended and required far bellows stem seal*)
- Plastic bodies: Teflon V-ring positioner required with Vitan bonnet gasket; Teflon V-ring with Buna-N bonnet gasket
Service: high pressure chemicals , steam, air, gas, oil, water
Shutoff
- Standard – ANSI Class 111 (Cv’s < 3.5 / Kv’s < 3,0) or ANSI Class IV (Cv’s 3.5 and higher / Kv’s 3,0)
- Optional – ANSI Class VI with soft RPTFE seats (consult factory far other soft seat material options)
Ranges: 3-15 psi or 6-30 psi (0,21-1 ,03 or 0,41-2 ,07 bar)
Action
- Direct (air signal clases valve)
- Reverse (air signal opens valve)
Flow Characteristics: Equal percentage , linear, quick opening
Positioners: Pneumatic , electro-pneumatic and digital positioners on al 1 sizes and actuators; contact factory far mounting positioners on PVC or Kynar valves