Carbon Steel Pressure Standard Threaded Test Couplings for Joint Fittings

• Standard: DIN
• Material: Stainless Steel
• Connection: Male
• Surface Treatment: Galvanized Sheet
• Head Type: Hexagon
• Sealing: Nitril Bunan(NBR)
• Working Temperature: -30ºC~+125ºC
• Material Type: Galvanised Carbon Steel
• Sample: Provide Samples
• Price: Affordable Price
• Sealing Types: O-Ring Sealing, Mental Sealing Edge, etc
• Body Type: Straight, Elbow, 45 Degree, 90 Degree
• Fluids: Hydraulic Oils, Mineral Oils, Other Fluids
• Shipment: Sea and Land Transportation
• Quality: Excellent Quality
• pH(Bar): 630
• Cleaning Process: Standing Cleaning and Package
• Thread Size: G1/4" or Others
• Transport Package: Box
• Specification: Galvanised carbon steel
• Trademark: rsd
• Origin: Qingdao
• HS Code: 9026900000
• Production Capacity: 20000mts/Day

Product Description

Application: Pressure control, Lubrification, Air bleeding, Oil sampling
Material: Galvanised carbon steel, (Stainless steel AISI326/304 is available on request)
Sealing: NITRIL BUNAN(NBR), FKM-VITON(on request)
Working temperature: -30ºC~+125ºC( NITRIL BUNAN), -25ºC~+230ºC(FKM
Fluids: Hydraulic oils, Mineral oils, Suitability with other fluids on request
RSDF101: O-Ring sealing 

G	D	L	L1
M8*1	9.5	9.5	11.5
M10*1	11.5	9.5	11.5
M10*1.25	11	12	16.5
M14*1.5	15.8	11	14

RSDF102: Mental sealing edge

G	D	L	L1	S
M10*1	15	10	13.5	1
M12*1.5	18	12	18.5	1
M14*1.5	20	14	18.5	1
M16*1.5	22	14	18.5	1.5
G1/8"	15	10	13.5	1
G1/4"	19	14	18.5	1
G3/8"	24	16	18.5	1.5

RSD103: Flat gasket sealing 

G	D	L	L1	S
M10*1	15	8	10.5	1
M12*1.5	18	12	15.5	1.5
M14*1.5	20	12	15.5	1.5
M16*1.5	23	12	15.5	1.5
G1/8"	17	8	10.5	1
G1/4"	20	12	15.5	1.5
G3/8"	23	12	15.5	1.5
G1/2"	28	14	18	2.5

RSDF104: Thread:
B.S.P.T Taper ISO7/1

G	L	L1
ISO7/11/8"	5.5	12
ISO7/11/4"	8.5	13.5
ISO7/13/8"	12	20
1/8"-27NPTF	9	14
1/4"-18NPTF	9	18.5
3/8"-18NPTF	14	20

RSDF105: UNF O-Ring sealing

G	d	D	L	L1	a
7/16"-20 UNF	12.4	17	9	11	1.6
1/2"-20 UNF	14	18	11.5	14	1.6
9/16"-18 UNF	15.6	20	10	12	1.6
3/16"-23 UNF	20.5	25	16	20	2.4

1: Are you a factory or a trading company? Can you tell me some information about your company
We are a factory located in the beautiful city of Qingdao. The specific information is as follows: Qingdao Ruishida New Materials Technology Co., Ltd. is a manufacturing enterprise specializing in the application and development of environmentally friendly new materials. The company and related investment companies provide low-carbon and environmentally friendly product solutions such as R7 and R8 thermoplastic high-pressure hoses, specialized hoses for centralized lubrication systems, elevator traction steel belts, polyurethane elevator handrails, etc. We not only provide customers with highly reliable and cost-effective standard products, but also continuously research and develop new products according to their latest requirements, meeting the special requirements of the industry. Our strict process control and raw material quality control have enabled us to pass ISO9001, ISO45001, and ISO14001 system certifications. The company maintains extensive cooperative relationships with international first-class material suppliers such as Wanhua Chemical, DuPont, and Acoma, and maintains strong competitiveness in the development of new materials and the application of new technologies. Our mission is to make the world more environmentally friendly and life better, and we hope to become a leader in TPU application development through professional expertise and unremitting efforts.
2: What is your packaging?
Plastic woven tape, cardboard packaging, wooden boxes or any other packaging according to your requirements.
3: What are your payment terms?
T/T 50% as deposit, 50% before delivery. Before you pay the balance, we will show you photos of the product and package.
4: What are your delivery terms?
EXW, FOB, CFR, CIF, DDU.
5: How is your delivery time?
Generally speaking, it takes 30 to 60 days after receiving the advance payment. The specific delivery time depends on the project and quantity of your order.
6: How to confirm customized products?
We can customize different sizes according to your requirements, first make samples and provide them to you.
7: How to know the price?
Price is the most important concern for every customer. If you want to know the price, you need to know the following details: product specifications, dimensions, thickness, diameter, outer diameter, inner diameter, etc. These are the main factors that determine the price. The more you order, the lower the unit price you get!
8: Can you produce according to the sample?
Yes, we can produce according to your samples or technical drawings. We can manufacture molds and fixtures.
9: How long does the sample take? Is the sample free?
The samples are free and only shipping fees are charged. For inventory products, we will ship within 3-5 days.
For OEM products, according to your requirements and factory production time.
10: How can you ensure the quality of your products?
Before large-scale production, we will make samples in advance for final confirmation with you. The production process will be carried out in accordance with regulations and there will be dedicated testing personnel for real-time testing, and 100% testing will be conducted before delivery.
11: After sales service?
We promise to take responsibility for defective goods if there are quality issues that differ from those described in large-scale production.
12: How can you maintain a good long-term relationship with our business?
1. We maintain good quality and competitive prices to ensure that our customers benefit;
2. We respect every customer and treat them as friends. No matter where they come from, we sincerely do business with them and make friends.