Dimensions Orifice Weld Neck RF flanges ASME B16.36 Class 300

Dimensions Orifice Weld Neck RF Flanges ​Information

The flange size refers to the nominal pipe size (NPS) of the flange. Orifice weld neck RF flanges are available in a range of sizes, starting from 1/2" NPS and going up to larger sizes as per the specific requirements of the application.

The flange thickness varies based on the pressure rating and the flange size. The thickness is typically specified in accordance with the pressure-temperature ratings provided by the applicable standard.

• Dimensions are in millimeters, except for bolts and bolt holes.
• Height of Raised Face (RF) in CLASS 300 is 2 mm.
• All other dimensions are in accordance with ASME B16.5.
• Ring joint flanges larger than NPS 3 will require angular meter taps.

• Other NPT sizes may be furnished if required.
• Bolt lengths for raised face flanges include allowance for orifice and gasket thickness
  of 6 mm (0.25 in.) for NPS 1 to NPS 12. Bolt lengths for ring-type joint flanges include
  allowance of 15 mm (0.62 in.) for NPS 1 to NPS 3.
• Bore (B) is to be specified by the purchaser.
• The length of the Stud Bolt does not include the height of the chamfers (points).

Tolerances
Tolerances on all dimensions shall be as shown in ASME B16.5 except for those shown below.

Pressure Tap Location
Tolerance on location of center of pressure tap hole from flange face shall be..

• ±0.5 mm (±0.02 in.) for flanges smaller than NPS 4
• ±0.8 mm (±0.03 in.) for flanges NPS 4 and larger

Bore Diameter

• Bore diameter tolerance (Welding Neck flanges only) is ±0.5% of nominal value.

Kasugai Shanghai, a subsidiary of Kasugai Group headquartered in Osaka, Japan, was established in 2003 as a representative office in Shanghai, China, and was upgraded to a company in 2008. Kasugai Shanghai serves as an important force of Kasugai Group in Asia, and over the past 20 years, it has become a key player in the industrial pipes, fittings, flanges, and valves market.

Kasugai Shanghai leverages the resources and manufacturing capabilities of local suppliers in China to provide a wide range of products, including stainless steel, carbon steel, duplex/super duplex steel, alloy steel, nickel alloy, and titanium alloy, according to various international standards such as ASTM/ASME/ANSI, JIS, EN, and DIN. The company also has a local support team and an on-site quality inspection team to ensure that products meet the specifications and quality requirements of customers.

With the support of high-quality local suppliers and a strong commitment to customer satisfaction, Kasugai Shanghai strives to provide reliable products and services to customers in Asia and beyond. Kasugai Group's establishment of Kasugai Shanghai and other international operations demonstrates their proactive approach to globalization and their commitment to meeting the needs of customers in a rapidly changing global market.

Kasugai Group Company Profile:

Foundation : June, 1925

Legal Representative : Akinori Kasugai

Number of employees : 140 persons (150 persons including employees of the affiliates) As of March 21, 2023

Scope of business : wholesaler and trade firm of industrial pipe/tube, fittings, flanges and valves

Kasugai Group Locations:

Head Office

4-14-2 Shinmachi, Nishi-ku, Osaka 5500013, Japan

TEL: 81-6-6538-7281

FAX: 81-6-6538-2273

E-MAIL: contact@kasugai-group.co.jp

Shanghai

Rm. A8415 Building A8, No. 808 Hongqiao Road, Xuhui District, Shanghai 200030, China.

TEL: 86-21-6447-1967

FAX: 86-21 6447-7841

E-MAIL: zhanghb@kasugai-group-co.jp

Other Branch Offices and Joint Ventures:

Fukuoka, Kitakyushu, Tokai, Kyoto, Shunan, Tokyo, USA (Watchung, N.J.), Jiangyin (Jiangsu, China)

Our Strengths:

Since our foundation in 1925, we have continuously taken steps to further grow our businesses. Global capabilities, professionalism, and trust. These three strengths are the reason that customers continue to choose Kasugai, regardless of the period.

-Global capabilities

We embarked on overseas procurement ahead of our competitors in the industry and have established a supplier network that can meet a variety of market demands. We are successfully chosen by many overseas customers
as a global procurement partner.

- Professionalism

Leveraging expertise cultivated over many years, we deliver optimal products to the optimal place at the optimal time. Our excellent information gathering and problem-solving abilities are also invaluable for solving customer issues.

- Trust

We provide smooth, prompt services by cultivating solid relationships of trust with suppliers. We believe that building stronger partnerships is the source of our growth.