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LP Lined Pipe Insert Valve
Brand: Check-All Valve Manufacturing CompanyThe Lined Pipe Insert (LP) valve is designed to mate between two flanges on most lined pipe systems.
It provides the simplest and most economical way to install a check valve in a lined piping system. No gaskets are required; just spread the flanges, center the valve and bolt the flanges together.
LP valves are available in fluoropolymer (PTFE/FEP/PFA) and Alloy C-276 to satisfy the most demanding applications. The standard spring material is Alloy C-276. The LP valve can also be used as a low pressure relief valve or vacuum breaker by using the desired spring settings.
Specifications
Approvals & Certifications
- ISO 9001
Approvals & Certifications
- CE: PED 97/23/EC
Diameter
- Orifice: 0.348” to 1.55” (8.63 to 39.37”)
Enclosure, Body Material
- Alloy C-276 or Hastelloy
- PTFE
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - 150# ANSI
- 1-1/2” (DN 40) - 300# ANSI
Flange Size - 1” (DN 25)
- 1” (DN 25) - 150# ANSI
- 1” (DN 25) - 300# ANSI
Flange Size - 2” (DN 50)
- 2” (DN 50) - 150# ANSI
- 2” (DN 50) - 300# ANSI
Flange Size - 3” (DN 80)
- 3” (DN 80) - 150# ANSI
- 3” (DN 80) - 300# ANSI
Flow Rate
- Metal: 2.4 to 45.8 Cv
- PTFE: 2.4 to 32 Cv
Pipe Size
- 1” to 3” (25.4 to 76.2 mm)
Pressure Range
- Non-Shock Pressure-Temperature Rating - psi: 20 to 55 (kPa: 138 to 379, bar: 1.3 to 3.7) at 37.7° C (100° F) for PTFE Body
Seat / Seal Material
- Seat: AFLAS
- Seat: Buna-N
- Seat: EPDM
- Seat: Kalrez
- Seat: Metal to Metal
- Seat: Neoprene
- Seat: PTFE
- Seat: Viton
Spring Material
- 316 Stainless Steel
- Alloy 400 or Monel
- Alloy C-276 or Hastelloy
- Alloy X-750 (Inconel)
- Fluorinated Ethylene Propylene (FEP)
- Titanium
Tolerance
- Spring Tolerance: ± 15 %