General
Model: Fig. 3152‑LS (Lockshield Type)
Type: Gate Valve – Lockshield (tamper-proof adjustment)
End Connection: Threaded BSPT
Approval: WRAS Approved (potable water use)
Application:
HVAC balancing systems
Potable water distribution
Plumbing systems requiring controlled flow settings
35.00
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Standards
Design Standard: MSS SP‑80
Thread Standard: BS 21 (ISO 7) / ASME B1.20.1
Pressure & Temperature
Pressure Rating: PN20 (~20 bar / 300 psi WOG)
Steam Rating: 150 psi (~10.3 bar)
Test Pressure:
Shell: 450 psi (~31 bar)
Seat: 330 psi (~22.7 bar)
Temperature Range: Up to approx. 100–120°C (typical service)
Material (Bronze Body)
Body / Bonnet / Disc: Bronze (ASTM B62 C83600 – Gunmetal)
Stem: Brass (ASTM B124)
Packing: PTFE (asbestos-free)
Gland / Nut: Brass
Handwheel / Cap: Lockshield cap (removable cover instead of handwheel)
Gasket: Non-asbestos
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