JIS flanges are flanges with Dimensions as per JIS Flange Standard, \"JIS\" Stands for Japanese Industrial Standard This kind of flange include lots of specification, like SOP, SPH, Blind flange, plate flange, welded neck flange, etc. Pressure grade from 5K 10K 16K 20K 30K, size range: 10A-1500A.

JIS Flange VS ASME Flange

1. Material (similarity):

Both flange JIS and ASME flange material can be carbon steel, stainless steel and other alloy steel.

2. Design pressure (difference):

About JIS flange pressure rating, the pressure is 5K,10K,16K,20K, 30K. Regarding the ASME flange, the pressure is 150LBS, 300LBS, 400LBS, 600LBS, 900LBS

3. Type (similarity):

Slip on, Weld Neck, Plate, Blind, Socket Weld, Thread, Lap Joint.

4. Installation (similarity and difference):

There is no difference in the way of JIS & ASME flange connection, JIS standard flanges for sale are suitable for connecting to JIS standard pipe end.

JIS Flange FAQs

What is the difference between SOP and SOH flanges in Japanese standard?

In the Japanese standard, SOP is a plate flange and SOH is a plate flange with a hub.

What kinds of certificates we have for flanges?

We have ISO and CE certificates.

If you want to know more about JIS flange dimensions and JIS flange specification, please visit our website.

A JIS flange range covering several connection types, nominal sizes and pressure ratings. Buyers should identify the exact JIS designation and mating-pipe requirements in the RFQ.

Procurement specification

Material: Carbon steel, stainless steel and other alloy steel are listed; no grade is assigned to a specific variant.
Dimensions: 10A–1500A.
Tolerance: Numeric tolerances are not stated; the listing only says dimensions follow a JIS flange standard.
MOQ: Not stated in the source listing; confirm with the supplier.
Lead time: 15 days is shown in the listing delivery field; confirm the start event and quantity basis.

Listing details

Listed pressure ratings: 5K, 10K, 16K, 20K and 30K.
Listed types: SOP, SPH, slip-on, weld neck, plate, blind, socket-weld, threaded and lap-joint.
The supplier mentions ISO and CE certificates without certificate numbers or scope.

Buyer checklist

The following items are not verified product claims. Confirm them directly with the supplier before ordering.

Confirm the exact flange standard and edition, type, facing and pressure class for the mating connection.
Request a dimensioned drawing covering bore, outside diameter, thickness, bolt circle, holes and tolerances.
Confirm the numeric MOQ, unit of sale, sample policy, packing and Incoterm.
Confirm production lead time in writing and state whether it starts after payment, drawing approval or material confirmation.

Related sourcing pages

Company: Hebei Leading Metals & Piping Industries Co., Ltd.
Country: China (Mainland)
Address: 911,TOWER B, NEW COOPERATION PLAZA, NO.68 HEZUO ROAD, SHIJIAZHUANG CITY, HEBEI, CHINA
Contact: hebei leading