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Wedge-gate valves
DN 15-50 mm, PN 2-70 MPa
as per spec. TU NT ZK.000.000 TU
  • flanged (RTJ, RF), welded, threaded (FNPT, MNPT, NPS, G, R, BSP, BSPT)
  • manual, electric or pneumatic actuator
  • in accordance with API 6D / ISO 14313-2007, NACE MR01-75 / ISO 15156, GOST 5762-2002
  • valve bodies are forged, casted and welded carbon, alloy and stainless steel
  • optional cladding of sealing surfaces and the flow path is performed using antiwear and corrosion-resistant materials
  • corrosion-resistanсe design K1, K2, K3 as per GOST 13846-89
  • ambient temperature from -60oC to 40oC
  • operating medium temperature up to 121oС
  • leakage class “A” as per GOST 9544-2015
  • “metal-to-metal” gate sealing
  • gate sealing surfaces can have surface impregnation, spraying or antiwear deposition coating including hard alloys
  • compliance with TR CU 010/2011 “On safety of machinery and equipment»
  • compliance with TR CU 032/2013 “On safety of machinery and equipment operating under excessive pressure»

Basic technical data of wedge-gate valves

Valve symbol Actuator,

(ZK – X)

Nominal diameter,

X = DN, mm

(ZK-X-X)

Seat bore diameter,

X, mm

(ZK-X-X / X)*

Nominal pressure,

X = PN, MPa (kgf/cm2)

(ZK-X-X/X x X)*

Corrosion resistant design as per GOST 13846 Climatic modification and placement as per GOST 15150
ZK – Х / Х х Х – K1 – T1 Manual 15; 20; 25; 40;

50; 65; 80; 100; 150

As per GOST 5762 2 (20); 5 (50); 10 (100);

14 (140); 15 (150); 21 (210);

25 (250); 35 (350); 42 (420);

50(500); 70 (700)

K1 T1
ZK – Х /Х х Х – K1 – U1 U1
ZK – Х /Х х Х – K1 – UHL1 UHL1
ZK – Х / Х х Х – K1 – HL1 HL1
ZK – Х / Х х Х – K2 – T1 K2 T1
ZK – Х / Х х Х – K2 – U1 U1
ZK – Х / Х х Х – K2 – UHL1 UHL1
ZK – Х / Х х Х – K2 – HL1 HL1
ZK – Х / Х х Х – K3 – T1 K3 T1
ZK – Х / Х х Х – K3 – U1 U1
ZK – Х / Х х Х – K3 – UHL1 UHL1
ZK – Х / Х х Х – K3 – HL1 HL1
ZK – Э – Х / Х х Х – K1 – T1 Electric 15; 20; 25; 40;

50; 65; 80; 100; 150

As per GOST 5762 2 (20); 5 (50); 10 (100);

14 (140); 15 (150); 21 (210);

25 (250); 35 (350); 42 (420);

50(500); 70 (700)

K1 T1
ZK – Э – Х / Х х Х – K1 – U1 U1
ZK – Э – Х / Х х Х – K1 – UHL1 UHL1
ZK – Э – Х / Х х Х – K1 – HL1 HL1
ZK – Э – Х / Х х Х – K2 – T1 Electric 15; 20; 25; 40;

50; 65; 80; 100; 150

As per GOST 5762 2 (20); 5 (50); 10 (100);

14 (140); 15 (150); 21 (210);

25 (250); 35 (350); 42 (420);

50(500); 70 (700)

K2 T1
ZK – Э – Х / Х х Х – K2 – U1 U1
ZK – Э – Х / Х х Х – K2 – UHL1 UHL1
ZK – Э – Х / Х х Х – K2 – HL1 HL1
ZK – Э – Х / Х х Х – K3 – T1 Electric 15; 20; 25; 40;

50; 65; 80; 100; 150

As per GOST 5762 2 (20); 5 (50); 10 (100);

14 (140); 15 (150); 21 (210);

25 (250); 35 (350); 42 (420);

50(500); 70 (700)

K3 T1
ZK – Э – Х / Х х Х – K3 – U1 U1
ZK – Э – Х / Х х Х – K3 – UHL1 UHL1
ZK – Э – Х / Х х Х – K3 – HL1 HL1
ZK – П – Х / Х х Х – K1 – T1 Pneumatic 15; 20; 25; 40;

50; 65; 80; 100; 150

As per GOST 5762 2 (20); 5 (50); 10 (100);

14 (140); 15 (150); 21 (210);

25 (250); 35 (350); 42 (420);

50(500); 70 (700)

K1 T1
ZK – П – Х / Х х Х – K1 – U1 U1
ZK – П – Х / Х х Х – K1 – UHL1 UHL1
ZK – П – Х / Х х Х – K1 – HL1 HL1
ZK – П – Х / Х х Х – K2 – T1 K2 T1
ZK – П – Х / Х х Х – K2 – U1 U1
ZK – П – Х / Х х Х – K2 – UHL1 UHL1
ZK – П – Х / Х х Х – K2 – HL1 HL1
ZK – П – Х / Х х Х – K3 – T1 K3 T1
ZK – П – Х / Х х Х – K3 – U1 U1
ZK – П – Х / Х х Х – K3 – UHL1 UHL1
ZK – П – Х / Х х Х – K3 – HL1 HL1