Square knife gate valve – Penstock

Square knife gate valve

TECHNICAL CHARACTERISTICS
– Welded assembly construction.
– Body and gate in rectangular valve shape.
– All the solutions of actuators, detection and accessories are identical to the VG standard valves.

 STANDARD CONSTRUCTION
– Rising stem tight model.
– Steel body.
– Stainless steel stem.
– IIR (type Butyl®) tightness.
– IIR (type Butyl®) + PTFE packing.
– Steel or stainless steel gate.
– Square or rectangular flanged ends (drilling according to other standard on request).

Square knife gate valve

PRESSURE / TEMPERATURE
– Maximal working pressure: on request.
– Maximal working temperature:
. nitril: 80°C,
. EPDM: 110°C.
– Other materials (see table page 61).

TESTS
Test procedure are established according to NFE 29311, DIN 3230 and ISO 5208.

CONNECTION
Following specification.

Penstocks

Penstocks

– Painted steel or stainless steel casing.
– Casing and operating screw oversized.
– Tightness with gasket when closed.
– Stainless steel gate (reinforced).
– No retention zone on stainless steel back seat.
– All manoeuvring parts in stainless steel (stem and supports).
– Bronze nut.

Penstocks