GATE VALVE EN-1171 METAL SEATS. FIG.36

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Fig.79 Fig.39 Fig.38Fig.36Fig.34N Fig.34 Fig.33 Fig.31N Fig.31

GATE VALVE EN-1171 METAL SEATS FIG.36

Face to face dimensions according to EN 558-1 Serial F15.
Flange dimensions and holes according UNE-EN 1092-2 PN25.

APPLICATIONS:

Process water, hot water, air natural gases, oil and grease temperature max. 120º C.
At working temperature higher than 120º C material of packing will be adapt adequate.

PN: 25
DN: 50-400
BODY: Ductile cast iron. EN-GJS-500-7
BONNET: Ductile cast iron. EN-GJS-500-7
BRIDGE: Ductile cast iron. EN-GJS-500-7
HANDWHEEL ⁽¹⁾: Cast iron. EN-GJL-250
NUT ⁽²⁾: Brass Cu Zn39 Pb3. EN-12164
STUFFING BOX: Ductile cast iron. EN-GJS-500-7
PACKING: PTFE
STEM: Stainless steel X20Cr13. AISI 420
BODY-BONNET GASKET: Carton joint
WEDGE: Ductile cast iron. EN-GJS-500-7
NUT-STEM: Cast iron. EN-GJL-250
WEDGE SEATS ⁽³⁾: Brass Cu Zn39 Pb3. EN-12164
BODY SEATS ⁽³⁾: Brass Cu Zn39 Pb3. EN-12164
BRIDGE-BONNET GASKET: Carton joint
SCREWS: Steel 8.8 Zn. EN-24017

(1): Ductile cast iron EN-GJS-500-7 construction between size 350 until size 800.
(2): Cast iron EN-GJL-250 construction between size 350 until size 800.
(3): Available in Stainless steel X2CrNi18-9 or Bronze Cu Sn Zn5,5.

OPTIONS:

Gear operate.
Electric actuator.
Valve Headstock.
Pneumatic actuator.
Opening indicator.
With limit switch.
Splash guard.

With limit switch

Electric actuator

Gear operate

TEST AND EMPLOIMENT CHARACTERISTICS ACCORDING EN 12266-1
Sizes	Shell strength tightness	Seat tightness	Working pressure
De Ø50 a Ø300 De Ø350 a Ø400	38 Kg/cm² 30 Kg/cm²	28 Kg/cm² 22 Kg/cm²	25 Kg/cm² 20 Kg/cm²

1-	BODY
2-	BONNET
3-	BRIDGE
4-	HANDWHEEL
5-	NUT
6-	STUFFING BOX
7-	PACKING
8-	STEM
9-	BODY-BONNET GASKET
10-	WEDGE
11-	NUT-STEM
12-	WEDGE SEATS
13-	BODY SEATS
14-	BRIDGE-BONNET GASKET