Category: Ball Valves, Plug Valves, Check & Gate Valves

Standard Features: 2000 psi

Sizes: 1/4″ – 2” NPT Female

All sizes: FULL Port, 2″ (1.95 Port) Welded End for Added Safety: Both 316 SS or A216 WCB w/ 316 SS Ball & Stem have Welded Ends.

Our valves CANNOT be unscrewed.

316 SS Body, Ball & Stem or A216 WCB Body w/ 316 SS Ball & Stem 
2000 psi WOG, Fire Safe, NACE MR-0175, Lever Locking Handle,

ALL sizes also available 3600 psi WOG (ANSI Class 1500) and 6000 psi WOG (ANSI Class 2500)

Valve Size	PSI, WOG Rating	Valve Length	Valve* Bore	Weight  in lbs.
1/4”	2000	2.25	.37	.70
3/8”	2000	2.25	.37	.70
1/2”	2000	2.50	.50	1.15
3/4”	2000	2.95	.78	1.75
1”	2000	3.55	.98	2.20
1-1/4”	2000	4.00	1.25	4.00
1-1/2”	2000	4.55	1.50	5.00
2”	2000	5.41	1.95	8.20

Standard Features:

3600 psi, WOG (ANSI Class 1500) and 6000 psi, WOG (ANSI Class 2500)

Sizes: 1/4” – 2” NPT Female

FULL Port: , 2″ is 1.50″ port. 
ASME B16.34, 316 SS or A216 WCB, 
Welded End for Added Safety, Fire Safe: API 607 – 5th Edition, NACE MR-0175 Compliant, 
Graphite Packing, Delrin Seats, 
Mounting Pad: ISO 5211, 
Blow-Out Proof Stem, 
Lever Locking Handle

NOTE: M78SW6 series – 6000 psi ANSI Class 2500 Specs

6000 psi valves: PEEK Seats

We offer MELANCON, Walworth, and WKM Ball valves in ALL Pressure Classes. Both Trunnion Mounted and Floating Ball. 

Valve Size	PSI, WOG Rating	Valve Length	Valve* Bore	Weight  in lbs.
1/4”	3600	3.00	.25	1.58
3/8”	3600	4.00	.38	1.74
1/2”	3600	4.00	.50	1.84
3/4”	3600	4.30	.75	3.05
1”	3600	4.80	1.00	5.26
1-1/2”	3600	5.30	1.50	10.60
* 2”	3600	6.30	1.50	13.00

1/4″	6000	3.00	.25	1.58
1/2″	6000	4.00	.50	2.38
3/4″	6000	4.30	.75	3.81
1″	6000	4.80	1.00	6.73
1-1/2″	6000	5.30	1.50	14.58
2″	6000	6.30	1.87	18.06

Standard Features: 
Sizes:  ¼” – 2” NPTF

2000 psi or 3000 psi, W.O.G.

3 Pc. Bolted Body with 8 Bolts

Threaded or Socket Weld Ends 
Fire Safe, In-Line Maintainable

316 SS, C/S Body Material A105Forged Steel w/ 316 SS Ball & Stem

Forged Steel Construction

Standard Lever Handle

Note: The 525 FULL Port chart is available upon request

Oxygen, Chlorine, Paint, 3000 psi, UL Listing, Thermopac, NACE, Fire Safe, Socket Weld Ends, Locking Device or Oval Safety Handle

Valve Size	PSI Rating	Valve Length	Valve* Bore	Weight  in lbs.
1/4”	2000 – 3000	2.56	.43	1.30
3/8”	2000 – 3000	2.56	.43	1.30
1/2”	2000 – 3000	2.56	.43	1.30
3/4”	2000 – 3000	2.78	.55	2.30
1”	2000 – 3000	3.69	.89	2.30
1-1/4”	2000 – 3000	4.19	1.14	7.50
1-1/2”	2000 – 3000	4.53	1.14	7.00
2”	2000 – 3000	4.97	1.50	12.70

Standard Features:

Sizes:1/4” – 2” One Piece Design Self Contained Body w/ Double Union Ends 

In-Line Maintainable

FULL Port: 2” is reduced port 1.72

Available in 316 SS or C/S: Threaded, Socket Weld or Butt Weld Ends 

79-J Series: Rated 3000 psi

79-K Series: Rated 4500 psi 
(2000 psi Rating on Standard valve)

Valve Size	PSI Rating	Valve Length	Valve* Bore	Weight  in lbs.
1/4”	Up to  4500	3.93	.44	2.50
3/8”	Up to  4500	3.93	.58	2.40
1/2”	Up to  4500	3.93	.66	2.40
3/4”	Up to  4500	4.50	.81	3.30
1”	Up to  4500	4.93	1.00	5.20
1-1/4”	Up to  4500	5.37	1.23	7.20
1-1/2”	Up to  4500	5.87	1.44	9.60
2”	Up to  4500	6.87	1.72	15.40

Valve Size	Part Number	PSI Rating	Valve Length	Valve* Bore	Weight  in lbs.
1/4”	DM14-6FP	6000	2.88	.38	.95
3/8”	DM38-6FP	6000	2.88	.38	.95
1/2”	DM12-6FP	6000	2.56	.50	.89
3/4”	DM34-6FP	6000	3.00	.75	1.19
1”	DM1-6FP	6000	3.50	1.00	1.64
1-1/4”	DM114-6FP	6000	3.88	1.25	2.52
1-1/2”	DM112-6FP	6000	4.00	1.50	3.57
2”	DM2-6FP	6000	4.50	2.00	5.34
2-1/2″	DM212-6FP	6000	7.50	2.50	54.00
3″	DM3-6FP	6000	9.28	3.00	94.00
4″	DM4-6FP	6000	11.21	4.00	160.00

Standard Features:
Sizes: 1/4″ – 4” NPTF Standard
6,000 or 10,000 psi rated
Heavy Duty Construction – Available in 316 SS or C/S
Wide range of connections – NPTF,SAE-F,ORB,ISO6149, ISO1179, BSPP-F

Note:   For 316 SS add S to the part no.
            For 10,000 psi valves: change the 6 to 10

Example:  DM12-10FPS (1/2″ NPT, 10,000 psi, FULL Port, 316 SS)