EECTECH Microwave offers a standard product line of waveguide twist covering waveguide sizes WR10 thru WR430. Twist angle, twist direction and flange types can be custom made as per customer's specific requirements.

Twist Waveguide

MODEL NO	FREQ RANGE	VSWR	MINIMUM LENGTH (mm)	WG TYPE (IEC/EIA)	FLANGE TYPE	MATERIAL
	(GHz)	Max
EHD-22WTA800PPA	1.72-2.61	1.1	800	R22/WR430	FDP/FDM	Al/Cu
EHD-26WTA400PPA	2.17-3.30	1.1	400	R26/WR340	FDP/FDM	Al/Cu
EHD-32WTA300PPA	2.60-3.95	1.1	300	R32/WR284	FDP/FDM	Al/Cu
EHD-40WTA250PPA	3.22-4.90	1.1	250	R40/WR229	FDP/FDM	Al/Cu
EHD-48WTA200PPC	3.94-5.99	1.1	200	R48/WR187	FDP/FDM	Al/Cu
EHD-58WTA170PPC	4.64-7.05	1.1	170	R58/WR159	FDP/FDM	Al/Cu
EHD-70WTA150PPC	5.38-8.17	1.1	150	R70/WR137	FDP/FDM	Al/Cu
EHD-84WTA120PPC	6.57-9.99	1.1	120	R84/WR112	FBP/FBM/FBE	Al/Cu
EHD-100WTA60PPC	8.20-12.50	1.1	60	R100/WR90	FBP/FBM/FBE	Al/Cu
EHD-120WTA60PPC	9.84-15.0	1.1	60	R120/WR75	FBP/FBM/FBE	Al/Cu
EHD-140WTA50PPC	11.9-18.0	1.1	50	R140/WR62	FBP/FBM/FBE	Al/Cu
EHD-180WTA50PPC	14.5-22.0	1.1	50	R180/WR51	FBP/FBM/FBE	Al/Cu
EHD-220WTA50PPC	17.6-26.7	1.1	50	R220/WR42	FBP/FBM/FBE	Al/Cu
EHD-260WTA50PPC	21.7-33.0	1.15	50	R260/WR34	FBP/FBM/FBE	Al/Cu
EHD-320WTA50PPC	26.3-40.0	1.15	50	R320/WR28	FBP/FBM/FBE	Al/Cu
EHD-400WTA50PPC	32.9-60.1	1.15	50	R400/WR22	FUGP	Cu
EHD-500WTA50PPC	39.2-59.6	1.15	50	R500/WR19	FUGP	Cu
EHD-620WTA50PPC	49.8-75.8	1.15	50	R620/WR15	FUGP	Cu
EHD-740WTA50PPC	60.5-91.9	1.15	50	R740/WR12	FUGP	Cu
EHD-900WTA50PPC	73.8-112	1.15	50	R900/WR10	FUGP	Cu

Notes:  1. EECTECH also provides stepped twisted waveguides, which can be customized according to requirements.

            2.The above standard models are the most common parts for ordering sizes, materials and flanges. However, by using the model code system in the order information to obtain the complete part number, you can easily change these models to meet your needs.