# Hebei Yajiada Import and Export Co., LTD

Manufacturer of pipe flanges and butt-weld fittings. Pipe flange factory in Cangzhou, Hebei, China. ISO 9001:2015, PED 2014/68/EU Module H, ISIRI 9117, NACE MR0175 certified. 50,000 T/YR capacity. Exporting to 60+ countries (Iran, UAE, Saudi Arabia, Kuwait, Qatar, Bahrain, Turkey, Egypt, India, Pakistan, Vietnam).

Primary site: https://hbyagada.com/

## Product Lines (six flange types)

- Weld Neck Flange (WN) — ASME B16.5 / B16.47, EN 1092-1 Type 11. Long tapered hub, butt-welded to pipe. Pressure Class 150–2500.
- Slip-On Flange (SO) — ASME B16.5, EN 1092-1 Type 01. Short cylindrical hub, fillet-welded at pipe OD. Class 150–600.
- Blind Flange (BL) — ASME B16.5 / B16.47, EN 1092-1 Type 05. Solid disc, no center bore. Class 150–2500.
- Socket-Weld Flange (SW) — ASME B16.5. Pipe inserted into stepped bore and welded. NPS ≤ 40. Class 150–600.
- Threaded Flange (Th) — ASME B16.5, EN 1092-1 Type 13. Internal NPT/BSP thread. Class 150–600.
- Plate Flat-Weld Flange (PL) — GB / HG standard. Lowest cost, low-pressure. PN 6–25.

## Standards covered (regional frameworks)

- United States: ASME B16.5 (1/2"–24"), ASME B16.47 (>26"), ASME B16.9 (fittings)
- European Union: EN 1092-1:2018, EN 10253, PED 2014/68/EU Module H (CE-marked)
- Russia and CIS: GOST 12820, GOST 12821, GOST R 52624, EAC TR CU 032/2013
- Iran: ISIRI 9117, ISIRI 1-5062
- Japan: JIS B2220 (5K–63K), JIS B2238, JIS B2311
- China: GB/T 17241, HG/T 20592, JB/T 81

## Common materials

- Carbon steel: A105, A350 LF2 (low-temp), A234 WPB (fittings)
- Stainless: 304 / 304L / 316 / 316L
- Low-temperature alloy: 16MnDR (-46°C, LNG service)
- Cr-Mo alloys: A182 F11 / F22
- Duplex: F51 / F55 on request

## Engagement model

- MOQ: typically 1 ton per size / spec; full containers for export
- INCOTERMS: FOB / CIF / DAP via Qingdao, Shanghai, Ningbo, Tianjin
- Pre-shipment third-party inspection: TÜV Rheinland / BV / SGS / DNV (buyer-selected)
- Mill Test Certificate: EN 10204 3.1 standard
- Lead time: 25–45 days depending on spec and quantity
- Contact: web form at /#rfq, or WhatsApp +86 186 3177 4440, or email mafuze@hebeiyagada.com

## Information required for a quotation

1. Flange type (WN / SO / BL / SW / Th / PL) and quantity per size
2. Pressure class or PN rating
3. Material grade (e.g., A105, A350 LF2, 316L, 16MnDR)
4. Standard (ASME B16.5 / EN 1092-1 / GOST / ISIRI / JIS / GB)
5. Facing / sealing face (RF, FF, RTJ, T&G, M&F)
6. Delivery port or destination country
7. Special requirements (NACE MR0175 sour service, PED CE marking, cryogenic service)

## Canonical URL index

- Home: https://hbyagada.com/
- About: https://hbyagada.com/about
- Certificates: https://hbyagada.com/certificates
- Shipping: https://hbyagada.com/shipping
- Product detail (6):
  - /products/weld-neck-flange
  - /products/slip-on-flange
  - /products/blind-flange
  - /products/socket-weld-flange
  - /products/threaded-flange
  - /products/plate-flange
- Engineering Notes (9):
  - /blog/asme-b165-vs-en-1092
  - /blog/nace-mr0175-sour-service
  - /blog/isiri-9117-iran-import
  - /blog/16mndr-lng-cryogenic
  - /blog/flange-facing-types-rf-ff-rtj
  - /blog/asme-b1647-vs-b165-large-bore
  - /blog/forged-vs-cast-flange
  - /blog/a105-vs-a350-lf2-carbon-steel
  - /blog/flange-certifications-iso-ped-isiri
- Spec Sheets: 34 PDFs at https://hbyagada.com/sitemap.xml
- Sitemap: https://hbyagada.com/sitemap.xml
- RSS: https://hbyagada.com/rss.xml