Table of Contents Table of Contents
Previous Page  177 / 235 Next Page
Information
Show Menu
Previous Page 177 / 235 Next Page
Page Background www.dklok.com

Valves

DK-LokTubeFittingCerti cationListing

DK-LokValveCerti cationListing

QualitySystemApprovals

No.VH86-5

July 2013

VH86 Series

High Pressure Multi Purpose Ball Valves

Features

Material of Construction

Operation and Packing Adjustment

Application

Factory Test, Cleaning and Packaging

• VH86 valves are designed to control fluid in full open and closed position, using VH86 valves to throttle the flow may reduce the

valve life.

• Stem packing can be adjustable with the handle disassembled. Tighten packing bolt clockwise to tighten the stem packing.

• Valves that have not been actuated for a period of time may have a higher initial actuation torque.

• If the valve system needs to be tested at higher pressure than the valve maximum pressure, the valve must be in open position

during the test so as not to damage the valve seat.

• Optional Sour Gas Service applicable.

VH86 series ball valve offers a safe and reliable performance in a wide range of onshore and offshore applications: Water, oil, gas,

petrochemical in heavy duty applications.

• Every valve is factory tested with nitrogen gas at 1,000 psig (68.9 bar) for leakage at seat to a maximum allowable leak rate of

0.1 SCCM. The packing is tested with nitrogen gas for no detectable leakage.

• Every valve is cleaned and packaged in accordance with DK cleaning standard DC-01.

Components

Valve Body Material Stainless Steel Grade/ASTM Specification

1. Handle

Nylon with brass insert

2. Set Screw

Stainless steel

3. Panel Nut

SS316/A276

4. Packing bolt*

5. Upper / Lower Gland

6. Stem Chevron Packing

PTFE/D1710 type 1, Grade 1, Class B

7. Stem

SS316/A276

8. Body

SS316/A182 Type F316

9. Ball

SS316/A276

10. Seat (2)

Standard PCTFE (Kel-F), optional PTFE, PEEK

11. Retainer (2)

SS316/A276

12. Retainer Seal (2)

PTFE/D1710 type 1, Grade 1, Class B

13. End Connector Seal (2)

14. End Connector (2)

SS316/A276

* Molybdenum disulfide with hydrocarbon coating

• Wetted parts and lubricants are listed in

blue

.

• Lubricant is Fluorinated-based.

• High flow in a compact design.

• High pressure capacity designed for blow-out proof with internally loaded ball stem.

• Micro-finished ball provides a positive seal.

• 90 degree actuation for 2-way and 180 degree actuation for 3-way ball valves.

• Panel mounting as standard.

• Chevron stem seal, adjustable with the handle disassembled.

• Handle indicates flow direction.

• Low operating torques and positive handle stops.

• Optional pneumatic actuation.