Fumigation Gas Knives Printable Catalog Page (opens a new window)
We manufacture a wide variety of fumigation gas knives that can be attached to our superbedders and plastic mulch layers. The items shown are our standard products, which have been proven to be effective for soil fumigation. We also fabricate custom gas knives to work in special applications. Contact our sales department for more information about custom gas knives. Our 55081, 55083, and 55084 gas knives are most commonly used with superbedders. They mount to a 2¼ inch (6 cm) tool bar, which is built into the superbedder frame, so that they extend back into the throat of the press pan. The fumigant is placed into the bed just as the soil is rolled and compacted to form the bed. The 55081 and 55083 knives place the fumigant about 6 in (15 cm) below the top surface of the bed and have limited adjustability. The 55083 knife places the fumigant about 8 in (20 cm) farther back into the throat of the press pan than the 55081. Our new 55084 gas knife places the fumigant deeper, about 10 in (25 cm) below the surface of the bed. Our 55080 and 55082 gas knives are used specifically with press pans or pan-type mulch layers. They mount inside a press pan and bolt directly to the top surface. They are commonly used to apply fumigant just before the bed is covered with plastic mulch. All of our gas knifes are fabricated with hardened steel for longer wear life and ¼ in (6 mm) stainless steel delivery tubes. The number of gas knives used with a superbedder varies, based on each grower’s soil conditions, fumigant, and application method. As a general rule, growers usually position one gas knife for every 12 in (30 cm) of bed width. For example, a superbedder shaping a bed 36 in (91 cm) wide will usually include either 3 or 4 gas knives.
Part #	Description	Ship Weight
55080	Standard gas knife for flat top pans or pan-type mulch layers	call
55081	Standard superbedder gas knife	call
55082	Curved gas knife for use with bed press pans	call
55083	Extra long gas knife for deeper placement in the throat of the press pan	call
55084	Extra depth gas knife for deeper placement beneath the bed surface	call
55090	Mounting bracket for superbedder/tool bar mounted gas knives	call
Positioning of gas knives, and number of gas knives attached to implements, is the sole decision of the customer. Kennco does not provide hose, fittings or other components of plumbing for fumigation systems. Contact Kennco’s sales department if you need a gas knife with different specifications than described in this catalog.
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