JIS F7376 10K Cast Iron Screw-Down Marine Check Angle Valve

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Model NO.: JIS F7376 10K
• Material: Cast Iron
• Connection Form: Flange
• Structure: Straight
• Pressure: Ordinary Pressure
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Reversing
• Standard: JIS
• Application: Industrial Usage, Water Industrial Usage, Household Usage, Marine Usage
• Delivery: Express or by Sea
• Price: Competitive
• Production: in Stock
• Capacity: 100000 Pieces/Year
• Transport Package: Plywood Box
• Specification: JIS F7376 10K
• Trademark: Customized
• Origin: China
• HS Code: 8481804090

Product Description

 

Product Description

We support OEM and the producing capacity is big,  fast shipment, professional design team for you, welcome to contact us!  

Marine Check Valve - Definition & Function

A marine check valve (or non-return valve) is a specialized one-way valve designed for shipboard piping systems to prevent backflow of liquids or gases (e.g., seawater, fuel, oil, or compressed air). It ensures fluid flows only in the intended direction, automatically closing when flow reverses-critical for safety and system integrity in marine environment.

Key Features of Marine Check Valves

Automatic Operation
Opens when forward pressure exceeds the cracking pressure.
Closes instantly if backflow or pressure loss occurs (e.g., pump failure).
Robust Marine-Grade Materials
Bronze, stainless steel, or duplex alloys for corrosion resistance in seawater.
Reinforced elastomers for sealing in oily or chemical-laden fluids.
Types Used on Ships
Swing Check Valve: Hinged disc swings open/closed (common in large pipes).
Lift Check Valve: Disc moves vertically (high-pressure systems).
Ball Check Valve: Uses a floating ball (compact, for viscous fluids).
Dual-Plate Check Valve: Spring-loaded plates for rapid closure (reduces water hammer).
Critical Marine Applications
Bilge & Ballast Systems: Prevents flooding back into pumps.
Fuel/Oil Transfer Lines: Stops contamination from reverse flow.
Cooling Water Circuits: Protects engines/heat exchangers.
Firefighting Systems: Maintains pressurized water supply.

Why Ships Rely on Check Valves

• Safety: Avoids backflow-induced equipment damage (e.g., flooded bilges, pump cavitation).
• Maintenance Reduction: No manual intervention needed-works passively.
• Compliance: Meets IMO (International Maritime Organization) and class society (e.g., ABS, DNV) standards.

Check Valve vs. Other Marine Valves

Valve Type	Primary Function	Marine Use Case
Check Valve	Block reverse flow	Bilge pumps, fuel lines
Globe Valve	Throttle/adjust flow	Cooling water control
Gate Valve	Fully open/close flow	Main seawater intake
Ball Valve	Quick on/off operation	Fuel tank isolation

Need help selecting a check valve for a specific ship system? Ask away!

JIS MARINE VALVE		Products Features:
F7376 Cast Iron 10K SDNR Angle Valves
1.JIS F7376 MARINE CAST IRON 10K SDNR Angle VALVES:		1. Strict-selected materials, meet with domestic and foreign standards, reasonable structure and beautiful shape.
10K50/65/80/100/125/150/200/250/300/350/400		2. Stem has a good anti-corrosion and scratch resistance.
2.Standard:		3. Can be used with a variety of flange pipe standard and sealing surface pattern to meet the various engineering needs and users' requirements.
JIS F7354,F7376,F7378		4. Full range of body materials, packing and gasket can matched based on the actual working conditions and users' reasonable requirement, applied to all kinds of pressure, temperature and medium conditions.
3.Pressure:5K,10K,16K		5. For SS material valves, corrosion resistance stainless steel valve body, high hardness, strong oxidation resistance.
4.Size:DN15-DN300		6. Flexible hand wheel operation, small torque, convenient switching.
5.Material:cast iron,cast steel,forged steel,brass,bronze		7. Good sealing performance-metal hard seal, high temperature resistance of 200 ºC
6.Type:globe valve,angle valve,SDNR globe valve,SDNR angle globe valve		Product Parameters
7.Media: Water,Oil,Steam

Rating	Size	d	L	L1	H	H'	FF Flange			W
							D	C	t
5K	50A	50	210	100	270	240	130	105	16	160
	65A	65	250	115	300	255	155	130	18	180
JIS F7305 /7353 /7306/7354	80A	80	280	130	310	265	180	145	18	180
	100A	100	340	150	360	310	200	165	20	224
	125A	125	410	170	390	330	235	200	20	250
	150A	150	480	190	415	380	265	230	22	280
	200A	200	570	220	530	450	320	280	24	315
	250A	250	740	275	650	540	385	345	26	355
	300A	300	840	310	740	610	430	390	28	400
	350A	335	940	360	840	690	480	435	30	500
	400A	380	1050	395	940	770	540	495	30	560
10K	50A	50	220	120	285	255	155	120	20	160
	65A	65	270	130	310	270	175	140	22	200
JIS F7307 /7375 /7308 /7376	80A	80	300	140	320	275	185	150	22	200
	100A	100	350	160	370	315	210	175	24	250
	125A	125	420	180	420	360	250	210	24	280
	150A	150	490	205	470	405	280	240	26	315
	200A	200	570	230	555	475	330	290	26	355
	250A	250	740	290	630	570	400	355	30	450
	300A	300	840	320	770	645	445	400	32	500
	350A	335	-	360	-	710	490	445	34	560
	400A	380	-	420	-	790	560	510	36	630
16K	50A	50	220	120	285	255	155	120	22	160
	65A	65	270	130	310	270	175	140	22	200
JIS F 7309 /7377 /7310 /7378	80A	80	300	140	340	295	200	160	24	224
	100A	100	350	170	385	330	225	185	26	250
	125A	125	430	200	455	390	270	225	26	315
	150A	150	500	225	510	435	305	260	28	355
	200A	200	570	250	630	540	350	305	30	450
NO.	Parts	Material			Main Size List(mm):
1	Body	FC200			IMPA Code	Size	L1	D	C	No of bolt hole	h	t	H	D2	Weight
2	Bonnet	FC200
3	Handwheel	FC200			751141	50	120	155	120	4	19	20	255/255	160	18.2
4	Disc	CAC406(BC6)orSCS2			751142	65	130	175	140	4	19	22	270/260	200	25.3
5	Valve seat	CAC406(BC6)orSCS2			751143	80	140	185	150	8	19	22	275/270	200	27.5
6	Stud nut	SCS2			751144	100	160	210	175	8	19	24	315/305	250	40.6
7	Hex.nutScrewed bonnet bush	C3604			751145	125	180	250	210	8	23	24	360/350	280	69.8
8	Seat ring	C3604			751146	150	205	280	240	8	23	26	405/390	315	81.2
9	Packing gland	CAC406(BC6)			751147	200	230	330	290	12	23	26	475/450	355	124
10	Stem	SUS403			751148	250	290	400	355	12	25	30	570	450	211
11	Stud bolt	SS400			751149	300	320	445	400	16	25	32	645	500	293
12	Stud bolt	SS400
13	Hex. nut	SS400
14	Hex. nut	SS400
15	Hex. nut	SS400
16	Lock pin	SS400
17	Split pin	C2600
18	Disc lock washer	C2600
19	Packing	GRAPHITE
20	Gasket	NON ASBESTOS
21	Name plate	C2801

 

Company

  Qingdao Hongfeng Xianglong Valve Manufacturing Co., Ltd. is a professional marine valve manufacturing enterprise located in Mingcun Town, Pingdu City, Qingdao, China. We mainly produce marine valves and accessories like gate valve, globe valve, stop valve,check valve, stop-check valve, butterfly valve, ball valve, storm valve with Japanese, German, and national standards. Providing customers with high-quality and efficient products and services is our business philosophy, which we have always followed and continuously developed over the years.
  The company's predecessor has been deeply involved in railway parts for 16 years, with rich processing technology and advanced processing equipment. It has an experienced professional team that can carry out specialized production from product design, mold development, product casting, processing, assembly, and testing. High quality products have won us the trust of customers, and good service has established a long-term cooperative relationship.
  The company's factory has complete production and equipment, with an 8000 square meter production workshop and around 60 employees. It has a complete management team and management process, equipped with processing workshops, assembly workshops, pressure testing workshops, painting workshops, and complete valve production equipment such as lathes, milling machines, CNC machines, drilling machines, valve sealing test benches, and painting assembly lines. While ensuring internal quality, it provides customers with the shortest delivery time.

 

Workshop

Packaging & Shipping

FAQ

Q: Are you trading company or manufacturer ?
A: We are manufacturer in PingDu city, Qingdao city, China.
Q: What's your product range?
A: We produce marine valves, like gate valve, check valve, stop valve, stop-check valve, globe valve, ball valve, butterfly valve and accessories .
Q: What's Execution Standard?
A:JIS/GB/DIN/BS etc.
Q: What's your Strong product ?
A: Gate valve.
Q: How long is your delivery time?
A: Normally it is 3 days if the goods are in stock. or it is 35 days if the goods are not in stock, it is based on the quantity.
Q: Do you provide samples ?
A: Yes, we could offer the sample. 
Q: What is your terms of payment ?
A: 30% deposit in advance and balance before shipment.
Q: What's the packing?
A: Plywood packing.
Q: Can I have my own logo on the products?
A: Yes, you can send us the drawing and we can make it.
Q: Can you produce the products based on my own drawing?
A: Yes.
Q: Which price terms can be accepted?
A: FOB,CIF etc.

 

Our Advantages

(1)Own production line and workshop to do all processes so can save cost and offer you competitive price.
(2)Own workshop to control schedule more flexibly.
(3)We can assure quality in every process in production line.
(4)Class Approval Certifications.
(5)Quality guarantee after sale.