Stafsjö – High Pressure HP, HPT and HXEnquire Now

BRAND: StafsjöCATEGORY: Knife Gate Valves

The Stafsjö high pressure knife gate valves model HP, HPT and HX are all strengthened to withstand high bi-directional process pressures. They are equipped with through-going “O” port gates and this ensures very safe and reliable shut-off of static and highly concentrated media. The excellent shut-off performance, together with excellent flow characteristics, makes them suitable for really demanding operating conditions with media as pulp (pulp concentration < 18%), liquor and highly concentrated slurry.

These valves represent three out of five valves in the Stafsjö product range with through-going gates. The HG represent the standard version while the HL is a slim line version of HG available in larger sizes and the HP is a high pressure version of HG. HPT is a high pressure version entirely made in Titanium and finally the HX is an extreme high pressure version for pressure rating PN20.

These valves are all modular in design and can easily be customised with gate, seats and gland packing according to media and requirements, as well for actuators and accessories.

Our Valve Repair Centres in Secunda and Durban provide a full valve repair and reconditioning service.

Contact one of our technical specialists for a quote today or download the HX brochure to learn more!

Greater demands, calls for action. Read the HX story here.

Specifications

Series	HL - HG - HX
Design	High pressure through going knife gate valve for severe service applications
Features	Severe service applications Full bore with outstanding flow characteristics Fully bi-directional zero leakage shut-off Compact modular design Internal precision guiding pads Easy to change seats with the retainer ring system Packing system in TwinPack PTFE body gasket
Size Range	HP DN 300 – DN 900 / 12″ – 36″ HPT DN 200 to DN 600 / 8″ – 24″ HX DN 200 – DN 800 / 8″ – 32″
Pressure Rating	HP PN16-16 / ANSI 150 HPT PN10 / ANSI 150 HX PN16-50 / ANSI 150-300
Temperatures	Up to 180°C
End Connections	Wafer
Blade Materials	Stainless steel hard chromed Duplex stainless steel hard chromed
Max Pressure	20 Bar @ 110°C
Body Materials	Stainless Steel Nodular Iron Duplex stainless steel S54 SMO Titanium Other materials on request
Seat Materials	PTFE with Nitrile or Vitron O-ring
Options & Accessories	Manual, pneumatic or electric actuators Chain wheel Open close limit switches Positioners Double gland Flushing ports
Applications	Where you are looking for a safe and reliable knife gate valve with excellent flow characteristics on demanding operating conditions with media such as pulp <18% concentration, liquor or highly concentrated slurries