A45 double flanged butterfly valves

Product Details

double flanged butterfly valves GENERAL INFORMATION

Series A45 double flanged butterfly valves features a bonded liner extending over the flanges. The butterfly valve double flanged design is suitable for high pressure loading and for use in heavy industry, shipbuilding, severe vacuum applications and water treatment industry like potable water, water treatment and wastewater applications.

double flanged butterfly valves FEATURES

• ISO5211 top flange together with stem heat suitable for direct mounting of actuators

• Stem anti-blowout design keep safety in field use

• Bonded seat protects the body and shaft out of contact with medium

• No exposed pins or bolts for stem-to-disc connection

• Single flange mounting is possible

• Can be installed in any desired position

• Bubble-tight shut off at full pressure rating

• Large flow capacity and enough strength

double flanged butterfly valves Technical Data

Connection	double flanged butterfly valves
Nominal diameter	DN50-DN2200
Operating pressure	16bar for DN50-DN300, 10bar for DN350-DN2200
Flange accommodation	EN1092 PN10/16, ASME B16.5 Class150
Face to face	EN558 Series 13
Top flange	ISO 5211
Tightness check	ISO 5208 Category 3, API 598 Table 5
Temperature range	-40°C to +130°C (Depending on pressure, medium and material)
Operation	Hand lever, gear box, pneumatic actuator, electric actuator

double flanged butterfly valves PARTS LIST AND MATERAIL SPECIFICATION

No.	Part name	Material
1	Body	ASTM A536 65-45-12, WCB, CF8M bonded with NBR or EPDM
2	Disc	ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
3	Stem	SS420, SS431
4	Screw	SS304
5	Retainer	SS201
6	Weather seal	NBR
7	Bearing	RPTFE with Graphite on I.D.
8	Lower Stem	SS420, SS431
9	Bottom cover	Same as body
10	Bolt	SS304