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Neles Series FL Low Cv Control Valve
Brand: ValmetNeles FL-series control valves are economical high performance rotary valves for low Cv applications.
FL-series offers three different capacity options and fulfils the offering of other control valves in low capacity applications.
Standard units are equipped with either diaphragm or cylinder actuators and ND9000 intelligent valve controllers for precise control, reliability and performance monitoring on-line.
Specifications
Brand
Actuator Type
- Pneumatic Diaphragm Spring
Approvals & Certifications
- ISO 15848
- IEC 534-3-2, 60534-4
Bearing Material
- Upper, Lower: 630 Nitrided Stainless Steel (17-4 PH)
BSP Connection
- G 1/4”
Bushing Material
- AISI 316 Stainless Steel
Electrical Connectors
- Cable Gland
- M20 x 1.5
Enclosure Finish
- Plug: Hard Chromium Coating
Enclosure, Body Material
- 316 Stainless Steel - ASTM A351 CF8M, 1.4408
- Carbon Steel (WCB)
Flange Material
- Blind: 316 Stainless Steel - ASTM A351 CF8M, 1.4408
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150# ASME
- 1” (DN 25) - 300# ASME
- 1” (DN 25) - JIS 10K
- 1” (DN 25) - JIS 16K
- 1” (DN 25) - JIS 20K
- 1” (DN 25) - PN 10
- 1” (DN 25) - PN 16
- 1” (DN 25) - PN 20
- 1” (DN 25) - PN 32
- 1” (DN 25) - PN 40
Flow Rate
- 0.5 to 4.2 Cv, Max.
Gasket Material
- Graphite
Gland Material
- 316 Stainless Steel - ASTM A351 CF8M, 1.4408
Materials of Construction
- Key, Cylindrical Pin, Stud: Stainless Steel (SS 142324, ISO 3506 A4/B8M)
- Retainer Plate: AISI 316 Stainless Steel
Media
- Water
Name Plate, Tag Material
- AISI 304 Stainless Steel
NPT Connection
- 1/4” NPT
- 3/8” NPT
Nut & Bolt Material
- Hexagon Nut: Stainless Steel (ISO 3506 A4/8M)
Packing Material
- Graphite
- PTFE (V-Ring)
Plug Material
- 316 Stainless Steel
Proof Pressure
- Test - psi: 50.76 (kPa: 350, bar: 3.5) or 1.5 times Pressure Rating
Ring Material
- Packing: Graphite
- Packing: PTFE
- Support: AISI 316 Stainless Steel
Screw Material
- Hexagon Screw: Stainless Steel (ISO 3506 A4 / B8M)
Seat / Seal Material
- Back Seal, Bonnet Seal: Graphite
- Seat: Alloy 50
Shaft Material
- Drive: 630 Nitrided Stainless Steel (17-4 PH)
Spring Material
- Disc Spring Set: 329 Stainless Steel (SIS 2324)
- Disc Spring Set: Chromium Steel (CrMO Steel)
- Inconel X-750
Stem Material
- 630 Nitride Stainless Steel (17-4 PH)
Temperature Range
- -40° to 425° C (-40° to 797° F)
