Butterfly valves with sealing metal-to-metal Vexve
| Price: | negotiated |
| Company: | TPK TEHNOPROM |
| Seller: |  Sergej Aleksandrovich |
| Phones: |  +380 (96) 889-77-77 Show phone |
| Address: | Ukraine, Kyiv |
Butterfly valves with sealing metal-to-metal Vexve
MAIN TECHNICAL DATA
DN400-DN1200, PN25;
Maximum pressure drop: dP=16 bar and dP=25 bar;
Model BFS - operating temperature: -40 ...+200 C function open/closed;
Model BFC - operating temperature: -40 ...+250 C function open/closed with the possibility of use for regulation;
Description regulation - equal percentage;
Leakage class: A (dP=16 bar standard, dP=25 bar - option) or B (dP=25 bar - standard).
Tightness in both directions.
Connection: welded, flanged DIN and GOST.
MATERIALS
Housing - carbon steel 1.0345 / 1.0566
The rotary disc - stainless steel 1.4408
Saddle - rugged stainless alloy 825
The spindle is made of stainless steel 1.4408
Stem seal: Viton FPM (mod. BFS), graphite (mod. BFC)
Spindle bearings are Teflon PTFE reinforced mesh stainless steel AISI 316
DESIGN FEATURES
* Sealing metal-to-metal
* Triple eccentricity provides high tightness and durability
* All-welded body construction
* Full bore (up to DN800), high coefficient Kv
* Seal design eliminates the sticking of the disc in the closed position
* Seal design is designed for a wide temperature range -40 °C...+250 °C
* Does not require maintenance
* Long life
* Steel case is lightweight
* Long spindle makes it easy to isolate the chassis
* Equipped with worm gear, pneumatic and electric drives
* CE certified by the European Quality Certificate and Directive 97/23 EC (equipment, working under pressure)
* Certified in Ukraine
