6400™

Set Pressures

6400™ Capabilities

Inlet Size	Outlet Size	Flow Area	Orifice (Designator) Diameter	Lift	Set Pressure Range	Media
1 – 1.5 NPS	2, 3 NPS	0.122 sq in	[D] 0.394 in	0.157 in	15-6004 psi	Air
1 – 1.5 NPS	2, 3 NPS	0.122 sq in	[D] 0.394 in	0.157 in	15-2900 psi	Steam
1 – 1.5 NPS	2, 3 NPS	0.222 sq in	[E] 0.531 in	0.157 in	15-6004 psi	Air
1 – 1.5 NPS	2, 3 NPS	0.222 sq in	[E] 0.531 in	0.157 in	15-2900 psi	Steam
1.5 NPS	2, 3 NPS	0.352 sq in	[F] 0.669 in	0.276 in	15-5003 psi	Air
1.5 NPS	2, 3 NPS	0.352 sq in	[F] 0.669 in	0.276 in	15-2900 psi	Steam
1.5 – 2 NPS	3 NPS	0.563 sq in	[G] 0.846 in	0.354 in	15-3698 psi	Air
1.5 – 2 NPS	3 NPS	0.563 sq in	[G] 0.846 in	0.354 in	15-2900 psi	Steam
1.5 – 2 NPS	3 NPS	0.887 sq in	[H] 1.063 in	0.433 in	15-2755 psi	Air
1.5 – 2 NPS	3 NPS	0.887 sq in	[H] 1.063 in	0.433 in	15-2775 psi	Steam
2 – 3 NPS	3, 4 NPS	1.407 sq in	[J] 1.339 in	0.512 in	15-2697 psi	Air
2 – 3 NPS	3, 4 NPS	1.407 sq in	[J] 1.339 in	0.512 in	15-2697 psi	Steam
3 NPS	4, 6 NPS	2.046 sq in	[K] 1.614 in	0.551 in	15-2219 psi	Air
3 NPS	4, 6 NPS	2.046 sq in	[K] 1.614 in	0.551 in	15-2219 psi	Steam
3 – 4 NPS	4, 6 NPS	3.166 sq in	[L] 2.008 in	0.63 in	15-1494 psi	Air
3 – 4 NPS	4, 6 NPS	3.166 sq in	[L] 2.008 in	0.63 in	15-1494 psi	Steam
4 NPS	6 NPS	4.025 sq in	[M] 2.264 in	0.748 in	15-1102 psi	Air
4 NPS	6 NPS	4.025 sq in	[M] 2.264 in	0.748 in	15-1102 psi	Steam
4 NPS	6 NPS	4.986 sq in	[N] 2.52 in	0.787 in	15-1001 psi	Air
4 NPS	6 NPS	4.986 sq in	[N] 2.52 in	0.787 in	15-1001 psi	Steam
4 NPS	6 NPS	7.218 sq in	[P] 3.031 in	0.945 in	15-1001 psi	Air
4 NPS	6 NPS	7.218 sq in	[P] 3.031 in	0.945 in	15-1001 psi	Steam
6 NPS	8 NPS	12.174 sq in	[Q] 3.937 in	1.181 in	15-595 psi	Air
6 NPS	8 NPS	12.174 sq in	[Q] 3.937 in	1.181 in	15-595 psi	Steam
6 NPS	8, 10 NPS	17.53 sq in	[R] 4.724 in	1.339 in	15-305 psi	Air
6 NPS	8, 10 NPS	17.53 sq in	[R] 4.724 in	1.339 in	15-305 psi	Steam
8 NPS	10 NPS	28.497 sq in	[T] 6.024 in	1.654 in	15-305 psi	Air
8 NPS	10 NPS	28.497 sq in	[T] 6.024 in	1.654 in	15-305 psi	Steam

Inlet Size	Outlet Size	Flow Area	Orifice (Designator) Diameter	Lift	Set Pressure Range	Media
1 – 1.5 NPS	2, 3 NPS	0.122 sq in	[D] 0.394 in	0.071 in	15-6004 psi	Water
1 – 1.5 NPS	2, 3 NPS	0.222 sq in	[E] 0.531 in	0.209 in	15-6004 psi	Water
1.5 NPS	2, 3 NPS	0.362 sq in	[F] 0.669 in	0.26 in	15-5003 psi	Water
1.5 – 2 NPS	3 NPS	0.563 sq in	[G] 0.846 in	0.394 in	15-3698 psi	Water
1.5 – 2 NPS	3 NPS	0.887 sq in	[H] 1.063 in	0.512 in	15-2755 psi	Water
2 – 3 NPS	3, 4 NPS	1.407 sq in	[J] 1.338 in	0.551 in	15-2697 psi	Water
3 NPS	4, 6 NPS	2.046 sq in	[K] 1.614 in	0.63 in	15-2219 psi	Water
3 – 4 NPS	4, 6 NPS	3.166 sq in	[L] 2.008 in	0.787 in	15-1494 psi	Water
4 NPS	6 NPS	4.025 sq in	[M] 2.264 in	0.866 in	15-1102 psi	Water
4 NPS	6 NPS	4.986 sq in	[N] 2.52 in	0.906 in	15-1001 psi	Water
4 NPS	6 NPS	7.218 sq in	[P] 3.031 in	1.102 in	15-1001 psi	Water
6 NPS	8 NPS	12.174 sq in	[Q] 3.937 in	1.22 in	15-595 psi	Water
6 NPS	8, 10 NPS	17.53 sq in	[R] 4.724 in	1.535 in	15-305 psi	Water
8 NPS	10 NPS	28.497 sq in	[T] 6.024 in	1.929 in	15-305 psi	Water

Materials

Materials of Construction

Minimum Standard Materials

	Carbon Steel	Stainless Steel	Low Temp Carbon Steel
Body	✓	✓	✓
Disc and Spindle (Internals)		✓

Alternative Materials availabile upon request, e.g Inconel 625, Duplex, Supler Duplex

Dimensions*

				in²	A	B	C	D	E	F	Weight – (lbs)
Orifice API 526	Rating	Inlet Size	Outlet Size	Flow Area	General Dimensions						Standard	Lever
D	150 x 150	1	2	0.12	4.13	4.49	16.61	1.14	3.54	19.29	35.3	37.5
	300L x 150							1.14
	300 x 150							1.26
	600 x 150							1.34
	900 x 300	1.5	2			5.51	19.37	1.73		21.89	68.3	72.8
	1500 x 300	1.5	2			5.51	19.37	1.73		21.89	68.3	72.8
	2500 x 300	1.5	3		5.51	7.01	20.39	2.36		22.91	86.0	90.4

E	150 x 150	1	2	0.22	4.13	4.49	16.61	1.14	3.54	19.29	35.3	37.5
	300L x 150							1.14
	300 x 150							1.26
	600 x 150							1.34
	900 x 300	1.5	2			5.51	19.37	1.73		21.89	68.3	72.8
	1500 x 300	1.5	2			5.51	19.37	1.73		21.89	68.3	72.8
	2500 x 300	1.5	3		5.51	7.01	20.39	2.36		22.91	86.0	90.4

* Displayed here is a particle table. Click here to see complete table.

Accessories/Connections

Accessories

Test-Gag

O-Ring

Heating Jacket

Lever

Documentation

Product Literature

Model 6400

The Model 6400 is an angular type safety valve at 90º between the inlet and the outlet connections. It has flanged connections, a full nozzle, direct action and is spring loaded. There are three types: Conventional, Balanced (with bellows) and Balanced-Piston. All three are designed with specific trims to work with gases, steam and liquids.

Installations

Model 6400 Installation Instructions