Marine Cast Iron Screw Down Check Globe Valve JIS F7353 5K

Marine Cast Iron Screw Down Check Globe Valve JIS F7353 5K:

China Marine Cast Iron Screw Down Check Globe Valve JIS F7353 5K:

Marine Cast Iron Screw Down Check Globe Valve is the stop check valve used in the marine steam, air, fuel oil, lubrication oil, fresh water and water feeding lines. The function is to shut off/turn on the medium, adjust the flow rate and prevent medium backflow, it has the function of both stop valve and check valve. Sometimes it is also called Marine Cast Iron SDNR valve for short.

Technical Specification:

1. Design & Manufacturing Standard: JIS F7353

2. Inspection and Test Standard: JIS F7400

3. Suitable Medium: Steam, Oil, Gas, Air, Water..etc.

4. Flange Standard: JIS B2220 5K FF

Max Working Pressure:

Fluid Condition	Max Working Pressure (Mpa)
	DN200 or less		DN250,DN300	DN350,DN400
	Class B	Class S	Class B	Class B
Steam of 230℃or less	-	0.5	-	-
Steam of 205℃or less	0.5	0.5	-	-
Air and gas	0.5	0.5	0.5	-
Oil and pulsation water	0.5	0.5	0.5	0.3
Non-shock water of 120℃or less	0.7	0.7	0.7	0.6

Hydraulic Test Pressure:

Nominal Size	Test Pressure (Mpa)
Nominal Size	Watertight for Valve Seat	Watertight for Valve Body
300 or less	0.77~0.44	1.05
350 & 400	0.66~0.3	0.9

Main Material:

Class B:

1.Body/Bonnet---Cast Iron

2. Seat---Bronze

3. Disc---Bronze

4. Stem---Brass

Class S:

1.Body/Bonnet---Cast Iron

2. Seat---Stainless Steel

3. Disc---Stainless Steel

4. Stem---Stainless Steel

Main Size(mm):

IMPA Code	Size	L	Flange diam. (D)	Pitch (C)	No of Bolt Hole	h	t	H	D2	Weight
751101	50	210	130	105	4	15	16	270	160	14.8
751102	65	250	155	130	4	15	18	300	180	21.3
751103	80	280	180	145	4	19	18	310	180	27.6
751104	100	340	200	165	8	19	20	360	224	40.4
751105	125	410	235	200	8	19	20	390	250	57.9
751106	150	480	265	230	8	19	22	445	280	80.9
751107	200	570	320	280	8	23	24	530	315	139
751108	250	740	385	345	12	23	26	650	355	243
751109	300	840	430	390	12	23	28	740	400	377
751110	350	840	480	435	12	25	30	840	500	463
751111	400	1050	540	495	16	25	30	940	630	643