Product Information: Flanges
Q: What types of flanges do you manufacture?
A: We produce a wide range of flanges, including:
- Weld Neck (WN)
- Slip-On (SO)
- Plate (PL)
- Blind (BL)
- Threaded (TH)
- Lap Joint (LJ)
- Socket Weld (SW)
Materials: stainless steel (304/316/321), alloy steel, Duplex Steel, etc.
Q: What standards do your flanges comply with?
A: Our flanges meet international standards such as:
- ASME B16.5 / B16.47(ANSI/ASME)
- EN 1092-1 (DIN) (UNI)
- JIS B2220
- BS 4504
- GOST 33259
- AS2129
- ISO7005-1
- SABS/SANS 1123
Q: Can you customize flanges (non-standard sizes/materials)?
A: Yes! We offer customized flanges with specific dimensions, materials. [Contact us](#) for details.
Product Information: Pipe Fittings
Q: What types of butt weld fittings do you produce?
A: We manufacture a full range of butt weld fittings, including:
- Elbows (90°, 45°, 180° LR/SR)
- Tees (Equal & Reducing)
- Reducers (Concentric & Eccentric)
- Caps
- Stub Ends (Lap Joint Stubs)
Materials: Stainless Steel (A403 WP304/316), Alloy Steel, Duplex, etc.
Q: What standards do your fittings comply with?
A: Our products meet international standards, including:
- ASME/ANSI B16.9, B16.28
- MSS-SP-43, MSS-SP-75
- EN 10253, DIN 2605/2615
- JIS B2311, B2312, B2313
Q: What manufacturing processes do you use?
A: Our fittings are produced via:
- Hot forming / Cold forming(for elbows, tees)
- Seamless / Welded construction (depending on material & size)
- Heat treatment & surface finishing (pickling, sandblasting, etc.)
Ordering & Payment
Q: What is your minimum order quantity (MOQ)?
A: MOQ varies by product type. Standard flanges & pipe fittings: one piece; Custom orders: negotiable.
Q: What payment terms do you accept?
A: We accept:
- T/T (Bank Transfer)
- LC (Letter of Credit)
Q: Do you offer discounts for bulk orders?
A: Yes! Discounts are available for large quantities. [Request a quote](#) with your order details.
Q: What currencies do you accept?
A: We primarily accept USD (US Dollars) and RMB (Chinese Yuan). Additionally, we support local currency payments from select countries. Refer to the list below for supported currencies:
Q: What types of Certificates of Origin (COO) can you provide?
A: We support a wide range of COO documents, including:
- General CO (Certificate of Origin)
- Preferential COOs: FORM A, FORM E, FORM F, FORM P, FORM R, FORM X, etc.
- Regional/Country-Specific COOs: FORM AU (Australia), FORM KO (Korea), FORM N (New Zealand), FORM S (Peru), FORM L (Costa Rica), FORM H (Chile), and more.
*Need a specific form? Contact us for confirmation!*
Q: How do I request a quote?
A: Send your detailed specifications(size, material, quantity, standard) to sale@cncjflange.com for a fast quotation.
Shipping & Delivery
Q: How long is your production lead time?
A: - Standard flanges & pipe fittings: 7–15 days.
- Custom flanges & pipe fittings: 15–30 days (depending on complexity).
Q: What shipping options do you offer?
A: We ship globally via air freight, sea freight, or express couriers (DHL/FedEx). FOB, CIF, or EXW terms available.
Technical Support
Q: How do I select the right flange & pipe fittings for my piping system?
A: Consider:
- Pressure rating (e.g., 150#, 300#, PN10,PN16, SCH10,SCH40)
- Material compatibility(e.g., corrosion resistance, temperature limits)
- Flange face type(RF, FF, RTJ).
- Pipe Fittings: End preparation (beveled ends for welding)
[Download our selection guide](#) or consult our engineers.
Q: Do your flanges include gaskets/bolts?
A: Flanges are sold separately unless specified in the order. We can supply full kits(flanges + bolts + gaskets) upon request.
Q: Do you provide welding procedure specifications (WPS)?
A: Yes! We can supply WPS/PQR documentation for critical applications (e.g., ASME B31.3).
Quality & Warranty
Q: What quality certifications do you have?
A: We are certified with:
- ISO 9001:2015
- PED 2014/68/EU (for CE-marked flanges)
- MTC (Material Test Certificates) provided.
Q: What is your warranty policy?
A: We offer 12 months warranty against manufacturing defects. Damage due to improper installation is excluded.
Q: How do I request technical support or repairs?
A: Email support@cncjflange.com or call +[Your Phone]. Response within 24 hours.
Q: Can I return defective products?
A: Yes! Defective items can be returned within 15 days (terms apply). [View return policy](#).