JIS Welded/cast type Marine Air Vent /Air Pipe Head
CB/T 3594 94 Classification number: L54
Marine air pipe head
1. Theme and Scope of Application
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of marine oil and water tank air pipe heads (hereinafter referred to as air pipe heads) with flange connection dimensions in accordance with GB569 and GB2501.
This standard is applicable to the air pipe heads of oil and water tanks used on various ships and offshore drilling platforms.
2 Referenced standards
GB 569 Marine flange connection dimensions and sealing surfaces
GB 2501 Marine Flange Connection Dimensions and Sealing Surface (Quad) GB3032 Marking of Ship Pipeline Accessories 3 Product Classification
3.1 The types of air pipe heads are specified as follows:
A-type flange connection size according to GB569 cap type air pipe head; AS type flange connection size according to GB2501 cap type air pipe head; B type flange connection size according to GH569 gooseneck type air pipe head; The connection size of BS type one way valve is according to GB2501 gooseneck type air pipe head,
The connection size of C-type flange is in accordance with GB569 for depth measurement and breathable air pipe head,
The connection size of CS type flange is in accordance with GB2501 for depth measurement and breathable air pipe head:
Type 1... with a flange connection size according to GB569 for the float type oil tank air pipe head; Type DS with a flange connection size according to GB2501 for the float type oil tank air pipe head; E type flange connection size according to GB569 float type water tank air pipe head; ES type one flange connection size according to GB2501 floating type water tank air pipe head; FS type - Floating ball type continent with flange connection size according to GB2501, water tank air pipe head.
3.2 The base wood parameters of the air pipe head are shown in Table 1
Table 1 |
Type |
Name |
nominal diameterDN mm |
applicable range |
A.AS |
cap type air pipe head |
50~250 50~100 |
oil,upper end of water tank air pipe |
B,BS |
gooseneck air ridge head |
C,CS |
sounding and breathable air pipe head |
Sealand Equipment Supply Co., Ltd.
For the last couple of years, we focus only on one thing: How to provide you a one-stop solution for all your need.
Sealand Equipment Supply Co., Ltd, is an experienced supplier for marine equipment and spare-parts. We have been engaged in the shipping industry over 15 years. By providing first-class products, timely delivery, best prices, we obtain the praise and trust of our customers.
We specialize in marine pressure, temperature, level instruments & sensors, and measuring & monitoring systems. Furthermore, we offer comprehensive supplies for vessel equipment and spare-parts in the following area: Deck, cabins and engine, electrical and chemical equipment, safety & rescue equipment.
A vessel is like a city-everything you need to live is on board. Due to this extensive needs, SEALAND does not have a fixed product line. Whatever your vessel needs, we are willing to give our best to find a good solution.
Q: Are you a manufacturer or trading company?
A: We are a professional trading company focusing on marine equipment, parts and materials for more than15 years.
Q: What ship parts and materials does your trading company specialize in?
A: We specialize in various ship parts and materials such as instruments, sensors, lighting fixtures, deck parts, safety equipment, navigation equipment, diesel engine, electrical equipment, and more.
Q: How is the quality of your products guaranteed?
A: We source our ship parts and materials from reliable manufacturers and suppliers who meet our strict quality standards. We also conduct regular quality control checks to ensure that our products meet the industry's standards.
Q: Do you offer any warranties for your products?
A: Yes, we offer warranties for most of our products, depending on their type and application. The specific warranty period and terms will be discussed with our clients during the negotiation process.
Q: What kind of packing, shipping and delivery options do you offer?
A: Generally, we pack our products in neutral cartons or export wooden cases. We offer various shipping and delivery options to meet the needs of our clients. These options include air freight, sea freight, and land transportation. We can also arrange for customs clearance and door-to-door delivery services.
Q: Are you able to source and supply custom-made products?
A: Yes, we have established partnerships with various manufacturers and suppliers who can provide custom-made products according to our clients' specific needs and requirements.
Q: What is your pricing policy for your products?
A: Our pricing policy is competitive and transparent. We consider factors such as the volume of the order, the type of product, and the delivery options when determining our prices. We also offer bulk order discounts and special promotions from time to time.
Q: What payment options do you offer?
A: We offer various payment options such as wire transfer and online payment platforms. The specific payment terms will be discussed with our clients during the negotiation process.
Q: How can clients contact you for inquiries and orders?
A: Clients can contact us through our website, email, phone, or visit our offices if they are located nearby. Our customer service team is always ready to assist with any inquiries or orders.