Parker H Series Installation And Operation Manual Download Page 8

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ECO-0438955

REV:A

Installation and Operation Manual

Needle Valves & Ball Valves

FURTHER INFORMATION

Dust Cap colours on Needle Valves signified below:

Ball Valve Cv values:

10mm bore: 6.4
15mm bore: 15
20mm bore: 31
25mm bore: 39

Needle Valve Cv values

Bar Stock Needle valves: 0.35
Bar Stock Needle valves with 6mm bonnet seats: 0.5
Rising plug valves: 1.8

(Note, these are generic values for our range and may vary for specific items/connections. If in doubt,
please contact our technical support)

Text versions of QR codes

https://qr.parker.com/203785 Tube Fitting Installation Manual (A-lok/CPI)
https://qr.parker.com/203784 Tube Assembly (O-lok: please refer to page 55)

Technical Support:

[email protected]

Summary of Contents for H Series

Page 1: ...OM NEEDLE VALVE BALL VALVE Effective REV A July 2023 Installation and Operation Manual Needle Valves Ball Valves Note These Instructions apply to Parker Products that utilise Needle and Ball Valves su...

Page 2: ...ate welding procedures To prevent ingress of foreign contaminants into the valve body the Head Assembly hole and thread must be protected After welding the Head Assembly can be reassembled into the va...

Page 3: ...g pipe or tube connections O Lok Take care to not damage the captive O ring For full instructions on O lok assembly and installation please refer the O lok section on page 55 of our Tube Assembly Guid...

Page 4: ...the handle 1 Counter Clockwise until the backstop is located The valve will be in its fully open position after approximately 3 turns of the handle H Series Outside Screw Yoke Head To close Rotate the...

Page 5: ...Operate the handle 17 until it is at 90 from the valve body centreline To open Operate the handle 17 until it is in line with the centreline of the body and reaches the stop pin Movement is limited t...

Page 6: ...ent of the gland must be carried out at zero pressure 1 Fully close the valve by turning the handle 1 in a clockwise direction to stop lightly on seat 2 max 2 Nm 3 Open the valve one full turn by rota...

Page 7: ...lly close the valve by turning the handle 1 in a clockwise direction to stop lightly on seat max 2 Nm 2 Open the valve one full turn by rotating the handle in a counter clockwise direction 3 The two b...

Page 8: ...Bar Stock Needle valves 0 35 Bar Stock Needle valves with 6mm bonnet seats 0 5 Rising plug valves 1 8 Note these are generic values for our range and may vary for specific items connections If in doub...