Industrial Butterfly Valves, buy Double Flanged Industrial Butterfly Valves , Wafer / U type marine butterfly valve on China Suppliers Mobile

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Delivery Time:shipment in time according to cargos\' manufacturing require
Certification:ISO9001/2000 , CE

Double Flanged Industrial Butterfly Valves , Wafer / U type marine butterfly valve

Industry Butterfly Valve of Cast Iron Wafer Type Industrial Butterfly Valve DN100 ~ 1400mm

CONCENTRIC BUTTERFLY VALVE

1. API609/BS5155

PN10/16,CLASS125/150;

Face to face:

1) wafer type: EN558-1 basic series 20(wafer short).

2) double flange type: EN558-1 basi series 13(double flange short).

2. DN40-DN600

1) Semi-lug type with alignment holes.

2) Fully lug type.

3. DN50-DN1200

1) wafer type with inserted seat,U type flange end.

2) double flange type with bonded seat.

mounting between flanges of various standard.

DIN/BS EN1092 -1 PN10/PN16/,ANSI Class125/Class150,etc

BODY MATERIALS:As the body is internally fully rubber lined, the body material is protected from corrosion by the medium.
Type of material	Material standard	Example for application
Ductile iron	GGG40, DIN 1693	General application.
60-40-18,ASTM A536
400-18, BS 2789
Ductile iron(Heat treated)	GGG40.3 DIN 1693	Heavy applications, Cold applications, petrochemical industries, power stations, alternative for cast steel
Cast stainless steel	CF8, ASTM A351	Medicine, food, drink
CF8M, ASTM A351
Bronze	C-CuSn10Zn, DIN 1705(RG10)	Marine service
C90500, ASTM B584
LG1, BS 1400

DISC MATERIALS:As the disc is in direct contact with medium, the material should be carefully selected
Type of material	Material standard	Example for application
Ductile iron nickel plated	GGG40, DIN 1693	Air, non corrosive hot or cold water
60-40-18,ASTM A536
400-18, BS 2789
Ductile iron nylon coated	GGG40, DIN 1693	Potable water, water(max. 70°C, PH value between 4.5 and 9)
60-40-18,ASTM A536
400-18, BS 2789
400-18, BS 2789
Ductile iron, PTFE coated	GGG40, DIN 1693	Acids, alkalis, oil, water, air
60-40-18,ASTM A536
400-18, BS 2789
Cast stainless steel	CF8M, ASTM A351	Potable water, demineralized water, solvents, industrial water, not recommended for sea water, gas
Duplex stainless steel	1.4462, EN 10088	Potable water, cooling water, sea water, demineralized water, solvents, foodstuff
A181, Grade F51
Aluminum bronze	G-CuAl10Ni, DIN 1714	Sea water, potable water, gas
C99500, ASTM B148
AB2, BS 1400
Hastelloy-C	A494, CW-12MW	Phosphoric, hypochloric, acetic, formic, sulfurous

SHAFT MATERIALS:	Materials for shafts are selected on the basic of disc materials
Type of material	Material standard