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SSP Griplok®
1/2" Tube OD x 1/4" Tube OD Union Reducer
316 Stainless Steel Instrumentation Grade
Swagelok Ref. No. SS-810-6-4

This brand of tube fittings is designed, manufactured and quality controlled to be totally "inter-mixable" with Swagelok and other brands such as Parker, Hoke, Bi-Lok, Brennan, Dk-Lok, Ham-Let, Hy-Lok, SSP, Superlok, and Tylok. Inter-mixing is the random mixing of components of different manufactures. These are even inter-mixable with single ferrule fittings such as Parker CPI, Tylok CS-Lok, SSP Unilok, and Ham-Let One-Lok. DO NOT INTER-MIX FRONT/BACK FERRULES. For example, do not inter-mix a Hoke front ferrule with a Swagelok back ferrule as manufactures make different variations. Ferrules should be considered one component.

The precision manufacturing and stringent tolerances under rigid quality control procedures from an ISO 9001 certified facility ensures the safety performance and reliability of service whenever the brands inter-mixed. These are made to exacting specifications of ASTM (American Society for Testing Materials), ANSI (American National Standards & ASTM(American Society of Mechanical Engineers.

This tube fitting is excellent for use on all non-flared metal tubing such as steel, stainless steel, copper, aluminum, and non-metal tubing such as polyethylene, polypropylene, nylon, PFA, TFE and soft PVC. Selection of the proper fitting can be found by measuring the outside diameter of your tubing with suggested tolerances not to exceed ±0.003" (1/16" to 1/8") and ±0.005" (3/16" to 1"). The tube end threads are 20 per inch and not compatible with the much inferior type plumbing fittings found in your home or local hardware store.


Need more? Different size? Click here for the theDoDadman store. Using the outside diameter of the tube size needed, locate the correct parameter below and input this into the store's search engine. This will return both Tube & Tube x NPT stainless steel instrumentation fittings at the lowest price anywhere.

Tube Size     ParameterTube Size     Parameter
1/16"             SS-100         3/8"               SS-600        
1/8"               SS-200         1/2"               SS-810        
3/16"             SS-300         5/8"               SS-1010      
1/4"               SS-400         3/4"               SS-1210      
5/16"             SS-500         1.0"               SS-1610      

Specifications Attribute Value
Type/Shape Reducer Union
Connection Type 1 1/2" Tube OD Compression (double ferrule)
Connection Type 2 1/4" Tube OD Compression (double ferrule)
Material 316 Stainless Steel
Maximum PSI 6,700*
Temperature Range -325° to 1200°F
Industry Standards Meets or exceeds ANSI/ASME B1.20.1 | AS-7105 (frm. MIL-P-7105B) | ISO 9001:2008
Material Standards ASTM A-276 and A-479 bar stock, A-182 forgings

*Based upon thickest wall of seamless 304 or 316 stainless steel tube