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Home / Products / Stainless Steel Fittings / 3 Valve Pipe To Flange Tee Type - SS 316 Instrumentation Valves

3 Valve Pipe To Flange Tee Type - SS 316 Instrumentation Valves

SKU ID: 3VM-TT-PF

Description

3 Valve Pipe To Flange Tee Type - SS 316 Instrumentation Valves

The 3VM-TT-PF is a 3 valve pipe to flange tee type that isolates or controls flow in the line, with a body built for repeated operation. The 316 stainless steel body resists corrosion in gas, hydraulic and pneumatic service. Dimensionally interchangeable with equivalent Parker, Swagelok fittings.

Sizes and Part Numbers

Sr. No.

Size

Ref Part No.

1

1/4 Inch

3VM-TT-PF-4

2

1/2 Inch

3VM-TT-PF-8


Technical Specifications

Size

1/4 Inch, 1/2 Inch

End Connection

NPT, BSPT, Socket Weld

Working Pressure

6000 Psi (413 Bar)

Temperature Rating

PTFE 450°F (232°C) · Grafoil 700°F (371°C)

Material of Construction

SS 316, SS 304, Monel, CS

Stem Packing

PTFE, Grafoil

Orifice

Dia 4.7

Sour Gas Service

Optional, conforming to NACE Std. MR-01-75


Features

  • Designed for direct mounting

  • Process side 1/2" NPT (F) and instrument side flange connection suitable for a DP transmitter

  • Three valve configuration gives two block or isolate valves and one equaliser valve

  • Suits calibration of a static pressure transmitter or gauge

  • Bleed or vent connection with SS plug provided on request

  • Approximate weight 1.00 Kg (2.2 Lbs)

  • Heat code traceability

  • All valves 100% factory tested prior to shipment


Bonnet Assembly

  • Screwed bonnet design

  • Bonnet: back seated, blow-out proof

  • Spindle: ground and thread rolled

  • Spindle tip: non-rotating, shut-off type stellited, regulating stellited and soft seated

  • Bonnet pusher: silver plated for anti-galling, for increased stem cycle life

  • Dust cap protects stem threads from external contamination

  • Leak-tight seal with low operating torque


Materials of Construction

Sr. No.

Description

Qty.

Material

1

Body

1

SS 316

2

Bonnet

1

SS 316

3

Bonnet Pusher

1

SS 316

4

Stem

1

SS 316

5

Washer

1

SS 316

6

Packing

1

PTFE

7

Bonnet Seal

1

PTFE

8

Check Nut

1

SS 316

9

Dust Cap

1

LDPE

10

Grub Screw

1

CS

11

Handle

1

SS 304


Manifold Selection Information Data

Pressure and temperature ratings are selected from ANSI B 16.34 for standard class 2500.


Testing

  • Pneumatic seat test at 1/4 of working pressure

  • Hydrostatic shell test at 1.5 times working pressure

  • Optional tests available on request


Lubrication

Dye molly sulphide.


Application

Direct mounted tee type manifold with a pipe process side and flanged instrument side, giving two block valves and an equaliser for DP transmitter calibration.


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