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Parker 51 Series industrial profile coupling
Premium Quick Coupling with German Industrial Profile, Series 51

Parker's coupling system with German industrial profile. Coupling system with single-hand operation. UltraFlo valve for optimum flow and low pressure drop. Robust coupling in slim design mainly for pneumatic applications. The steel sleeve counters oscillating forces. The high insertion depth is guaranteed by an optimized plug guide. Premium quick coupling system with nominal diameter 6 for pneumatic and fluid handling applications up to 50 bar. Coupling system with German industrial profile. Available made of brass/steel.

Minimum Operating Temperature:	-20 °C
Diameter:	Nominal: 6 mm
Application:	Pneumatic & Fluid Handling
Brand:	Rectus
Fitting Connection Type:	Female Thread, Male Thread, Hose Barb
Interchange Type:	Walther
Materials of Construction:	Brass / Steel
Maximum Operating Pressure:	725.2 psi, 50 bar
Maximum Operating Temperature:	212 °F, 100 °C
Media:	Gases, Pneumatic Media, Water


Valve Type:	Poppet
Seal Material:	NBR
Valve Included:	Yes, No
Length:	34 to 78 mm
Hex Size:	17 to 24 mm
Outside Diameter:	11 to 22 mm
Flow Rate:	660 to 800 L/min

Markets:
- Machinery Construction
- Automotive
- Aerospace
- Mobile Hydraulics
- Industrial

Features/Benefits:
- UltraFlo valve for optimum flow and low pressure drop
- Steel sleeve counters oscillating forces
- Single-hand operation for easy and fast connection

Applications:
- Pneumatic Power Tools
- Assembly Lines
- Air compressors
- Fluid Transfer
- Cooling Lines

Related Documents
Literature and Reference Materials
Catalog 3800 Quick Coupling Products
Catalogue Page Parker Rectus Series 51
Catalogue Page Parker Rectus Series 51
Datasheet Series 51 Double-Shut-Off Version made of Brass/Steel
Datasheet Series 51 Single-Shut-Off Version made of Brass/Steel
Dust Caps
Installation and Maintenance Instructions - Quick Connect Couplings
Instructions for use - Standard-Couplings
Leakage rates for low-pressure couplings
Torque recommendations
Compliance, Certifications, & Safety
Certificate of conformity - 2014 68 EU_connectic
Customer information about test reports and inspection certificates
Instructions for use for explosive areas (ATEX)
Machinery Directive 2006/42/EC
REACH-Declaration
RoHS Declaration of conformity
Safety instructions - Quick Connect Couplings

Premium Quick Coupling with German Industrial Profile, Series 51

Part	Type	Version	Connection Type	Connection Thread Size (inch)	Hose I.D.	Material
51KBAW13SPN	Coupling	Double Shut-Off	Male Thread - parallel	1/4	na	Steel nickel plated
51KBAW17SPN	Coupling	Double Shut-Off	Male Thread - parallel	3/8	na	Steel nickel plated
51KBAW21SPN	Coupling	Double Shut-Off	Male Thread - parallel	1/2	na	Steel nickel plated
51KBIW13SPN	Coupling	Double Shut-Off	Female Thread - parallel	1/4	na	Steel nickel plated
51KBIW17SPN	Coupling	Double Shut-Off	Female Thread - parallel	3/8	na	Steel nickel plated
51KBIW21SPN	Coupling	Double Shut-Off	Female Thread - parallel	1/2	na	Steel nickel plated
51KBTF06SPN	Coupling	Double Shut-Off	Hose Barb	na	6	Steel nickel plated
51KBTF09SPN	Coupling	Double Shut-Off	Hose Barb	na	9	Steel nickel plated
51KBTF13SPN	Coupling	Double Shut-Off	Hose Barb	na	13	Steel nickel plated
51SBAW13SPN	Plug	Double Shut-Off	Male Thread - parallel	1/4	na	Steel nickel plated
51SBAW17SPN	Plug	Double Shut-Off	Male Thread - parallel	3/8	na	Steel nickel plated
51SBAW21SPN	Plug	Double Shut-Off	Male Thread - parallel	1/2	na	Steel nickel plated
51SBIW13SPN	Plug	Double Shut-Off	Female Thread - parallel	1/4	na	Steel nickel plated
51SBIW17SPN	Plug	Double Shut-Off	Female Thread - parallel	3/8	na	Steel nickel plated
51SBTF06SPN	Plug	Double Shut-Off	Hose Barb	na	6	Steel nickel plated
51SBTF09SPN	Plug	Double Shut-Off	Hose Barb	na	9	Steel nickel plated
51SBTF13SPN	Plug	Double Shut-Off	Hose Barb	na	13	Steel nickel plated
51SFAW13SXN	Plug	Single Shut-Off	Male Thread - parallel	1/4	na	Steel nickel plated
51SFAW17SXN	Plug	Single Shut-Off	Male Thread - parallel	3/8	na	Steel nickel plated
51SFIW13SXN	Plug	Single Shut-Off	Female Thread - parallel	1/4	na	Steel nickel plated
51SFIW17SXN	Plug	Single Shut-Off	Female Thread - parallel	3/8	na	Steel nickel plated
51SFTF06SXN	Plug	Single Shut-Off	Hose Barb	na	6	Steel nickel plated
51SFTF09SXN	Plug	Single Shut-Off	Hose Barb	na	9	Steel nickel plated

Since 2007

美國DMK Engineering Solutions公司
信德邁科技(北京)有限公司 CNMEC Technology

E-mail：sales@cnmec.biz

fcg.cnmec@parkerdistribution.com.cn
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Since 2007 Strong Distribution & Powerful Partnerships




E-mail：sales@cnmec.biz fcg.cnmec@parkerdistribution.com.cn

Parker 51 Series industrial profile coupling Premium Quick Coupling with German Industrial Profile, Series 51

Parker 51 Series industrial profile coupling
Premium Quick Coupling with German Industrial Profile, Series 51