Page 85 - Parker - Quick Coupling Products

NS Series
Hydraulic Quick Couplings Push-to-Connect
Non-Spill Sleeve lock

NS Series non-spill couplings are designed to minimize spillage
and air inclusion when connecting or disconnecting. Couplers
and nipples are steel with nitrile seals. 1/2 inch through 1 inch
sizes utilize a PTFE back-up ring as additional support to the
interface seal.
Features:
• Rated pressure up to 2500 psi
• Positive valve stop prevents flow checking
• Heat treated steel nipple and heavy duty sleeve withstand
B Hydraulics • Standard sleeve lock guards against accidental
pressure surges
disconnection
• Couplings have protective zinc with clear trivalent
chromate finish
• Standard end configurations include female pipe, straight
thread ORB, and BSPP
• Alternative seal materials available
Applications:
• Hydraulic hand tools
• Utility equipment
• Mining equipment
Performance NS Series (3/8"& 1/2")
Test Fluid: Oil - 200 SUS
50
Specifications
45
Body Size 3/8 1/2 3/4 1
40 Rated Pressure (psi) 2,500
35
Pressure Drop in PSID 30 3/8" 1/2" Rated Flow (gpm) 0.020 0.070 0.150 0.220
30
50
12
10
-40° to +250°F
Temperature Range (std seals)
25
20
Spillage (ml)
15
Air Inclusion (ml)
10 (max. per disconnect) 0.010 0.020 0.050 0.070
(max. per disconnect)
5
0
0 2 4 6 8 10 12 14 16 18
Flow in USGPM NS Series Dust Plug/Caps
NS Series (3/4" & 1")
Test Fluid: Oil - 200 SUS
25
Body Size Dust Plug/Cap Rubber
20 1" 3/8 NR-37
1/2
NR-50
Pressure Drop in PSID 15 3/4" 3/4 NR-100
NR-75
1
10
5

0
0 10 20 30 40 50 60 70
Flow in USGPM

B-38 Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings