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Ordering

The charts below contain all the information necessary to place an order. Use the appropriate codes in the manner shown below.

Example: a Class 3000 Female Threaded 1" Union with Viton O-ring and 316 Stainless Steel Ends is coded as follows:


When a size reduction or change in material is needed, simply enter the Tailpiece code and then the Threadpiece code separated by a slash as shown below.

Example: A Dielectric Class 3000 Union with a Dielectric Coated A105 Carbon Steel Tailpiece that is 3/4" Female NPT, with a 304 Stainless 1/2" Male NPT Threadpiece, Teflon O-Ring, is coded as follows:


For more information, a quote, or to order, call 1-800-769-0503 or contact us at sales@hartindustries.com

DESCRIPTION	TAIL	THREAD PIECE	SIZE	O-RING
Female NPT (FNPT) Class 3000 Pipe	31	31	0  (1/8") 1  (1/4") 2  (3/8") 3  (1/2") 4  (3/4") 5  (1") 6  (1 1/4") 7  (1 1/2") 8  (2") 9  (2 1/2") 10 (3") 11 (3 1/2") 12 (4")	STANDARD O-RINGS V Viton® Florocarbon A (FKM-A) E Ethylene Propylene (EPDM) ES High-Temp Steam EPDM [up to 550*F max] (EPDM E0962) T Teflon® Tetrafluroethylene (PTFE) SPECIALTY O-RINGS / SEALS N Neoprene® Polychloroprene (CR) K Kalrez® 4079 Perfluoroelastomer (FFKM) HN Hydrogenated Nitrile (HNBR) EP NSF-61 Approved Ethylene Propylene (EPDM) G Metallic Spiral Wound Graphite Seal I No O-Ring (Integral Seat "Ball and Cone") Teflon®, Viton®, Kalrez® are Registered Trademarks from DuPont
Male NPT (MNPT) Class 3000 Pipe	32	32
Socket Weld (SW) Class 3000 Pipe	33	33
Socket Weld (SW) Class 3000 Tube	34	34
Butt Weld (BW) Class 3000 Pipe	35	35
Sweat Copper Tube	36	36
Female NPT (FNPT) Class 6000 Pipe	61	61
Male NPT (MNPT) Class 6000 Pipe	62	62
Socket Weld (SW) Class 6000 Pipe	63	63
Socket Weld (SW) Class 6000 Tube	64	64
Butt Weld (BW) Class 6000 Pipe	65	65

MATERIAL	OPTIONS (PREFIX)
A Aluminum B Brass 464 or 360 CS A105 Carbon Steel 304 A182F304/304L Stainless Steel 304L A182F304/304L Stainless Steel 316 A182F316/316L Stainless Steel 316L A182F316/316L Stainless Steel A20 Allloy 20 (formally known as carpenter steel C20) 73 70/30 Copper Nickel 91 90/10 Copper Nickel H Hastelloy C-276 I Inconel 600 M Monel 400 T Titanium	O Orifice D Dielectric (Insulating) H Hammer Lug

CUSTOM OPTIONS AVAILABLE
BSPT-F BSPT (British Standard Pipe Taper) - Female, Rc BSPT-M BSPT (British Standard Pipe Taper) - Male, R BW TUBE Butt Weld with Tube O.D. ACME Nut ACME Thread Nut for specialty applications

Call to Order: 800-769-0503