VFF2TW1YDS/M - 2-way 18 in flanged butterfly valve - Quad Industry GmbH

Product Specifications

Dimensions (in.)

Assembly--Length: 15-5/8 in., Height: 43-3/4 in., Width: 24-5/16 in., Neck: 16 in., Radius, 12-3/16 in.

Dimensions (mm)

Assembly--Length: 396 mm, Height: 1112 mm, Width: 618 mm, Neck: 406 mm, Radius, 309 mm

Includes

Position indicator

Weight (lb)

994 lb

Weight (kg)

451.8 mm

Mounting

ANSI Flanged

Voltage

4-20 mA

Shipping and Storage Temperature Range (F)

-40 F to 250 F

Shipping and Storage Temperature Range (C)

-40 C to 121 C

Enclosure

Pneumatic

Ambient Temperature Range (F)

Actuator-- -40 F to 176 F

Ambient Temperature Range (C)

Actuator-- -40 C to 80 C

Connection Type

Lugged

Body Pattern

2 way (NC, NC/NO, NSR)

Pipe Size (inch)

18 in.

Pipe Size (DN)

DN450

Maximum Differential Pressure Ratings (Close-off) (psi)

150 psi

Maximum Differential Pressure Ratings (Close-off) (kPa)

1034 kPa

Capacity (Cv)

at 60 degrees stroke--5736 Cv, at 90 degrees stroke--17214 Cv

Capacity (Kv)

at 60 degrees stroke--4962 kvs, at 90 degrees stroke--14890 kvs

Valve Action

Normally Closed, convertible to Normally Open with Spring Return DCA

Valve Type

Butterfly

Controlled Fluid

Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels.

Materials (Body)

Polyester-coated cast iron ASTM A126 Class B

Materials (Seat)

Peroxide-cured EPDM resilient seat

Materials (Stem)

416 Stainless Steel

Flow Characteristic

Modified Equal Percent

Actuation

Pneumatic, 4-20 mA Servo, 80 psi spring return

Static Pressure Rating (psi)

250 psi Maximum

Static Pressure Rating (kPa)

1724 kPa Maximum

Flange Bolts

16, Flange Bolt Thread--1-1/8 in. -7 pitch

Materials (Plug/Ball/Disc)

Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)