description

Bolted Bonnet

Size (50 mm to 1800 mm)

Design Pressure PN16 to PN320

Design Standard GOST 5762,API 600, API 6D, ASME B 16.34

Face to Face Standard  GOST 3706

Design Flange Standard   GOST 33259-2015

Beyond Standards:

Gate Valve design complies to API 600, Edition 13

Offered with API 600 monogram

Fugitive Emissions – Complies to API 624 and ISO 15848-1 (<50 ppm / Class AH leakage levels, optional)

Gate Valves tested to API 624 at Yarmouth Research Lab, Maine, USA

Body gasket leakage <100 ppm observed on eight sizes tested as per API 624 Annexure A

Fire Safe – By design and tested to API 607/ ISO 10497

CE Marking – Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H

PED Module B1 Design Examination Certificate (certified by DNV) available

Atex – Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment

SIL 3 Safety Integrity Level for Automated Valves

Gate valves successfully tested to Shell Design Validation Test Procedure 77/300 and witnessed by Shell Inspectors

Features that Add Value:

Robust stem-wedge design connection successfully tested as per API RP 591 Annex B

Hardfaced body guides and wedge slots (sizes >DN600)

Inconel overlay/ cladded options offered

Versatile Solutions:

Options: Bellows-sealed, FBE/ Fusion-bonded Epoxy Lined, Steam-Jacketed

ValvTrac™ RFID tags for reliable digital traceability

API 603 Stainless Steel Corrosion-Resistant Gate Valves with API Monogram

Special Features:

Integral body seat. In-situ hardfacing provided for Trim 12 and 16 valves

Flex Wedge – Compensates for seat distortion and eliminates disc-jamming

Single-piece forged stem with T-head for superior strength

classes offered with circular body-bonnet joints.

Complies to API 624 and ISO 15848 fugitive emission requirements