Double pitch transmission chains

Double pitch chains are based on the single pitch chains constructed according to ISO 606; except for the pitch, they meet the same standard specifications with respect to their dimensions. As opposed to short pitch chains constructed to standard ISO 606, these chains are intended for use in conditions in which demands on speed and power transmission are lower.

Description

Double pitch transmission chains

Double pitch chains meet the same dimensions and specifications as the ISO 606 European and American standard chains, except for the pitch, which measures exactly twice their standard counterparts.
The longer pitch represents an extremely cost effective solution for applications where large centre distances exist and speed and power transmission demands are lower. The double pitch makes it possible to fit the rollers, and as a result, friction and tensile stress within the chain are greatly minimized for many applications.

These chains are also a lighter and economical option thanks to the reduction of material, although they are built with the same quality and accuracy as the single-pitch equivalents.
Conveyor type with straight side plates and transmission type can be produced. American standard chains include versions with smaller or larger rollers. Additionally, they can be provided in normal plate or thicker plate versions.

Dimensional parameters

ISO/DIN 链号 ISO/DIN Chain No.	ANSI 链号 ANSI Chain No.	节距 Pitch	滚子直径 Roller diameter	内节内宽 Width between inner plates	销轴直径 Pin diameter	销轴长度 Pin length		内链板高度 Inner plate depth	链板厚度 Plate thickness	抗拉强度 Ultimate tensile strength	平均抗拉强度 Average tensile strength	每米重量 Weight per meter
		P	d1 max	b1 min	d₂ max	L max	Lc max	h₂ max	t/T	Q(ISO/DIN) min	Qo	q
		mm	mm	mm	mm	mm	mm	mm	mm	kN	kN	kg/m
208A	2040	25,40	7,95	7.85	3.96	17.80	21.70	12.07	1.50	13.80/14.10	17.10	0.42
206B		2540	851	7.75	4.45	17.00	20.90	11.81	1.60	1780/18.00	19.60	0.45
210A	2050	31.75	10.16	9.40	5.08	21.80	25.90	15.09	2.06	21,80/22.20	28.00	0.73
210B		31 75	10.16	9.65	5.08	19.50	20.90	14.70	1.70	22 20/2240	27.50	0.65
212A	2060	38.10	11.91	12.57	5.94	26.90	31.50	18.08	2.44	31,10/31.80	39.00	1.02
212B		38.10	12.07	11.68	5.72	22.50	24.20	16.00	1.85	28.90/29.00	33.30	0.76
216A	2080	50,80	15.88	15.75	7.92	33.50	38.90	24.13	3.26	55.60/56.70	71.50	1.70
216B		50.80	15.88	17.02	8.28	36.10	39.10	21.00	4.10/3.10	60.00	71.00	1.75
220A	2100	63.50	19.05	18.90	9.53	41.10	47.20	30.18	4.00	86.70/88.50	102.00	2.55
220B		63.50	19.05	19.56	10.19	41.30	45.00	26.40	4.60/3.60	95.00	101.00	1.95

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Packing&Shipping & Delivery

Packing Shipping Delivery

Chains package: First we will use carton package the chains--------then put in wooden box.

We also can custom color package according to your demand

Company Profile

FAQ

How to choose power transmissions parts and industrial products which meet our requirement

Chains	Sprockets	Pulleys	Timing belt Pulley	V-belt Pulley
Sheaves	Coupings	Bush &Hub	Gear& Rack	V-Belt
Locking Assembly	Pulley	Gearbox	Reducer	Shaft Collar
Rod End Bearing	Clevis	PTO	Chain Guide	Belt Guide
Rubber Buffer	Chain Tensioner	PTO Drive Shafts	Universal Joints	Roller Chains
Conveyor Chains	V-Belts	Worm Gearbox	Helical Gear	Worm
Agricultural Chain	CNC Proces Parts	Casting	Stamping
Powder Metallurgy	CNC Proces Parts	Casting	Stamping

What Products Do you sell ?

We are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.

How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

What is the producing process?

Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.

How to control the products quality?

Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.

What is the transportation?

-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.

Can we design packaging?

-Yes. Default is regular packing, and we can make customer's own packing.

Can you provide OEM service?

-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.

Can you give me discount on Power Transmissions Parts and Industrial parts?

-Yes, of course. Pls. send me your Email, you'll get more

Q: Are You a trading company or a manufacturer?

A: We Are the factory and have our Own trading company

Q: How Can I get an offer?

A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.

Q: What is your minimum order size?

A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.

Q: Do you provide samples? Is it free or extra?

A: Yes, we can provide samples free of charge, but we don't pay the freight.

Q: What is the lead time for mass production?

A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.

Q: What if the parts don't Work?

A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.

Q: What are your terms of payment?

A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable

Double pitch transmission chains

Double pitch transmission chains

Dimensional parameters

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