Single Seat Control Valve (electronic)

Technical Parameters

Nominal Size：DN15 ~ DN300

Pressure Rating：PN16/25/40/63/100;CL150(PN20)/300(PN50)/600(PN110)

Operateing Temperature：-196℃~ 593℃

Characteristics：Equal percentage, linear, quickly open

Rangeability：30:1、50:1、 100:1

Seat Leakage Class：ANSI B16.104: IV、V、VI

Body Material：WCB/WCC/LCB/LCC;WC6/WC9;CF8/CF8M;4A/5A etc.

Trim Material：630/316/316+ST/316nitriding/316+Ni60/316+WC etc.

Seal Material：PTFE+ graphite v-shaped packing, flexible graphite ring packing, graphite +PTFE braided packing etc.

Product Details

Product Overview

LD81 series are single-seat LD8 series pressure imbalance structure products, one of two basic guide plunger valve core, the floating sleeve compression type, from the seat structure, modular design, the flow capacity is big, high controlling precision, adjustable range, can achieve minimal flow control, structure is simple, reliable, good seal performance, the scene is easy to maintain. Is suitable for the pressure difference is not big, the seat leakage and high control precision.

Main connection dimensions

DN（mm）			20	25	40	50	65	80	100	150	200	250	300
L（mm）	PN1.6MPa		181	184	222	254	276	298	352	451	600	720	820
	PN4.0MPa		194	197	235	267	292	317	368	473	600	760	850
	PN6.4MPa		206	210	251	286	311	337	394	508	650	800	870
H1（mm）			67	72	87	92	105	110	127	174	209	300	350
Equipped with PSL	H（mm）	Common type	738	750	765	767	845	857	875	1025	1045	1252	1545
	H（mm）	Heat sink type	888	900	930	937	1025	1042	1085	1285	1305	1805	1825
	D（mm）		176									225
	WT（KG）		15	17	24	29	49	61	82	150	211	370	570
Equipped with 361L	H（mm）	Common type	501	513	650	652	770	782	800	1080	1125	1345	1365
	H（mm）	Heat sink type	651	663	815	822	950	967	1010	1340	1385	1625	1645
	D（mm）		225							310
	WT（KG）		23	24	39	44	64	76	97	203	264	418	618

Related Products

Series Cage Guided Control Valve (ele…

Three-way control valve(electronic)

High temperature Control Valve (elect…

Single Seat Control Valve（Intellige…